Re: [Elecraft] OT: 40' mast on Ebay dirt cheap.
Hi Jim I have both the plastic and the aluminum military surplus masts I use for FD. I find that hose clamps and simple D rings make quick and easy guy line attachment points. Easy to assemble or disassemble right on the spot. 73m, Bob N6WG The Little Station with Attitude - Original Message - From: Jim Sheldon [EMAIL PROTECTED] To: Elecraft Mailing List elecraft@mailman.qth.net Sent: Friday, October 12, 2007 12:24 PM Subject: RE: [Elecraft] OT: 40' mast on Ebay dirt cheap. Just in case you guys wonder where this stuff came from, it was used to hold up military camouflage netting. Those paddle base plates really aren't base plates, they were used at the top of the mast sections to keep it from tearing through the netting. This stuff takes a little getting used to and you might have to manufacture some rings to connect guy ropes to, but it works really nice for portable antenna masting. The only drawback is that it IS heavy. I've seen it sell for $20.00 per 80 feet with carrying bag at Oklahoma and Kansas hamfests. Availability is starting to dry up a bit, so $25 for 40 feet could be a decent price these days. I got mine 4 years ago @ 80 feet/20 bucks. A friend of mine with a machine shop in his garage manufactured a bunch of aluminum guy rings, and some top pieces that hold pulleys and all sorts of other stuff -- works great. Get it and use your imagination. Fantastic field day antenna supports where trees aren't available. Jim - W0EB -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Thom LaCosta Sent: Friday, October 12, 2007 1:42 PM To: [EMAIL PROTECTED] Cc: Elecraft Reflector; QRP-L Subject: Re: [Elecraft] OT: 40' mast on Ebay dirt cheap. On Fri, 12 Oct 2007, Stephen Przepiora wrote: Just to let you all know, there is a guy selling 40' fiberglass military mast with carrying case with a buy it now price of $25.00. He also has a Military Nylon Rope Tie Down Kit that has two 50' ropes (so what) and six velcro straps with rings you can use as guying connectors. I bought a similar kit at a local hamfest...I paid more than the above, but didn't pay shipping...so it was close to a drawalso got two base plates that kinda fan out, and a neat top hat for mutliple wires. I know this is not lightweight stuff, but some of us do not backpack in and operate far from the vehicle :) Mine was heavy enough that I had a bit of difficulty getting it back to the car...and several folks commented that they too were winded after getting theirs last year. Thom,EIEIO Email, Internet, Electronic Information Officer www.baltimorehon.com/Home of the Baltimore Lexicon www.tlchost.net/hosting/ Web Hosting as low as 3.49/month ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
[Elecraft] K3 manuals
Just finished a quick walk through the owner's manual and the schematics. Wow, this definitely is NOT your father's rig :-) Tremendous piece of work by all involved. More eager than ever to get one of my own. 73, Bob N6WG ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
Re: [Elecraft] PC-K3 command responsiveness
Wayne Does the use of the mouse to click imply a computer, or some uP likely to be imbedded in the Pan'r? Running TRLOG in DOS doesn't leave me with a mouse to click on things. 73, Bob N6WG - Original Message - From: wayne burdick [EMAIL PROTECTED] To: Richard Smith [EMAIL PROTECTED] Cc: Elecraft Reflector elecraft@mailman.qth.net Sent: Tuesday, October 09, 2007 9:25 AM Subject: [Elecraft] PC-K3 command responsiveness Richard Smith wrote: My first reaction without trying the program (always dangerous) is that needing HRD sitting between the PowerSDR GUI and the K3, and controlling the K3 via serial commands, will leave users with the feeling that software control just isn't responsive enough for real world uses. Richard, The K3 serial I/O port can run at up to 38.4 kb, and command response is very fast. It can also buffer a large number of commands at full speed and respond to them in order, error-free. To verify this, I'll paste 10 different commands into the terminal emulator window, running at 38.4 kb. All 10 responses appear in the terminal emulator window immediately, with no perceptible delay. Yesterday there was a discussion about Panadapter responsiveness. If/when we offer a panadapter, it will be tightly linked with the K3, so you'll be able to do things like click on a signal and move the VFO to it, etc. If the text decoder is turned on, CW, RTTY, and PSK31 signals will be decoded and displayed on the K3's own LCD and/or in a window on the panadapter. Of course the P3 would match the K3's enclosure styling, too, and may include a power supply and/or speaker. For field ops, you could take just the K3. Either way, it's computer-optional. 73, Wayne N6KR ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
Re: [Elecraft] Need advice - which Elecraft rig for SE Asia?
Hi Vic Just out of curiousity, have you metered the K3's current draw in receive mode? I expect to use my K3 at 5w on FD next year, and want to start planning for the battery/solar bank to run it. Thanks and 73 Bob N6WG - Original Message - From: Vic K2VCO [EMAIL PROTECTED] To: Chris Wagner [EMAIL PROTECTED] Cc: elecraft@mailman.qth.net Sent: Sunday, October 07, 2007 10:56 PM Subject: Re: [Elecraft] Need advice - which Elecraft rig for SE Asia? Chris Wagner wrote: Is the K3's filters an improvement to the K2's variable one? Are machines or people building the factory assembled K3s? Has someone compared K2 and K3 side by side? Thank you! The K3's filters are much better than the K2's, in terms of IMD performance and ultimate rejection. The K3 has both an analog noise blanker and a DSP noise blanker; the combination is effective against the Chinese radar (at least as heard in California!). Note the DSP noise blanker is different from the DSP noise *reduction*, which is an entirely different function. NR reduces background noise which makes listening more comfortable, but does not remove pulse noise. The K2 has an optional analog noise blanker and an optional DSP which provides an NR function. The K3 comes with the analog noise blanker, the DSP noise blanker, and the DSP NR function. All of the above are much more easily adjustable on the fly in the K3. I have listened to the K2 and K3 side by side and the K3 is much better in many ways. Of course, it is also bigger, more expensive, and more power-hungry (which might matter if you will run it from batteries). -- 73, Vic, K2VCO Fresno CA http://www.qsl.net/k2vco ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
Re: [Elecraft] K2 AGC Threshold Adjustment
Jim Since the problem is the same between two radios built some time apart, I have to ask, are you using the same meter? If so, try borrowing one from a friend and make the measurement. It is possible your meter is a bit off. At least, it's worth a simple test. Good luck and 73 Bob N6Wg - Original Message - From: Jim Stoneback [EMAIL PROTECTED] To: elecraft@mailman.qth.net Sent: Monday, October 08, 2007 11:53 AM Subject: [Elecraft] K2 AGC Threshold Adjustment Hi, When I built my K2/100 the threshold adjustment didn't go right, I turn trimmer R1 full CCW to get 3.74v on pin5 of U2 (full CW pin 5 goes to 2.6v). This adjustment is supposed to swing U2 pin 5 fom from 4 to 8 v. I checked diode polarity, resistor values, everything but never did find the problem. Now I'm building another K2 and have encountered exactly the same result. Anybody got a clue? 73, Jim Jim Stoneback K4AXF Drake SW8 K2.ssb.100 sn 6194 K2 sn 6263 (underway) ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
Re: [Elecraft] Need advice - which Elecraft rig for SE Asia?
Thanks, Vic I'll probably start my K3 with no PA, as I'm a full-time QRPer. That would help keep the drain down to some- thing manageable. Also no 2nd RX to start anyway. What would be your impression of the difficulty of removing the 100w PA to keep drain down for FD? Thanks and 73 Bob N6WG - Original Message - From: Vic K2VCO [EMAIL PROTECTED] To: Robert Tellefsen [EMAIL PROTECTED]; Elecraft Reflector elecraft@mailman.qth.net Sent: Monday, October 08, 2007 12:23 PM Subject: Re: [Elecraft] Need advice - which Elecraft rig for SE Asia? Robert Tellefsen wrote: Hi Vic Just out of curiousity, have you metered the K3's current draw in receive mode? I expect to use my K3 at 5w on FD next year, and want to start planning for the battery/solar bank to run it. Yes, actually, it's about 1 amp. It might be less if you don't have the 100w amp installed; it doesn't seem to matter if you turn the power down to 5 watts with the amp in place. The second RX would also increase the current drawn. -- 73, Vic, K2VCO Fresno CA http://www.qsl.net/k2vco ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
Re: [Elecraft] OT: Anyone use a noise canceller?
Hi Mark If you cannot locate the noise source, can you at least determine it's direction from you? A simple untuned loop should allow you to do that. An antenna noice canceller (ANC) works best if you can get a pickup antena as close as possible to the source, relative to the communication antenna, even if it is just to the edge of your property. I have both the ANC-4 and the MFJ-1026, and they both work well on a single noise source. They can't cope with multiple noise sources, though, or a single source spread out over an area, such a power line that is radiating along its length. Good luck and 73 Bob N6WG - Original Message - From: Mark Hampton [EMAIL PROTECTED] To: Elecraft list elecraft@mailman.qth.net Sent: Saturday, September 22, 2007 3:39 AM Subject: [Elecraft] OT: Anyone use a noise canceller? Hi all, I have a S-9 noise level across the bands and despite some detective work, I have been unable to locate the source. I feel that I may have to resort to using a noise canceller in order to use the bands at the home QTH. Before I purchase one, I'm wondering if any of the subscribers to this list use one and if so, how effective are they? Apologies for the off-topic post but I though I'd canvass opinions before I buy one. Thanks, Mark M5MDH ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
Re: [Elecraft] OT: Anyone use a noise canceller?
No, David, can't say I've done that. I don't think it would be too successful, though, because when you tune away from the frequency where you have nulled a noise source, it comes back. The null will only hold over a certain frequency spread, sepending on the band. Then you have to redo the null. So with two nulls on two sources, when you move into one null you would be moving out of another. The noise might not show any improvement overall. 73, Bob N6WG - Original Message - From: David Cutter [EMAIL PROTECTED] To: Elecraft list elecraft@mailman.qth.net Sent: Saturday, September 22, 2007 7:08 AM Subject: Re: [Elecraft] OT: Anyone use a noise canceller? Bob Wonder if you (or anyone) has mixed the outputs from 2 or more noise cancellers, perhaps using different antennas for each. David G3UNA - Original Message - From: Robert Tellefsen [EMAIL PROTECTED] To: Mark Hampton [EMAIL PROTECTED]; Elecraft list elecraft@mailman.qth.net Sent: Saturday, September 22, 2007 2:36 PM Subject: Re: [Elecraft] OT: Anyone use a noise canceller? Hi Mark If you cannot locate the noise source, can you at least determine it's direction from you? A simple untuned loop should allow you to do that. An antenna noice canceller (ANC) works best if you can get a pickup antena as close as possible to the source, relative to the communication antenna, even if it is just to the edge of your property. I have both the ANC-4 and the MFJ-1026, and they both work well on a single noise source. They can't cope with multiple noise sources, though, or a single source spread out over an area, such a power line that is radiating along its length. Good luck and 73 Bob N6WG - Original Message - From: Mark Hampton [EMAIL PROTECTED] To: Elecraft list elecraft@mailman.qth.net Sent: Saturday, September 22, 2007 3:39 AM Subject: [Elecraft] OT: Anyone use a noise canceller? Hi all, I have a S-9 noise level across the bands and despite some detective work, I have been unable to locate the source. I feel that I may have to resort to using a noise canceller in order to use the bands at the home QTH. Before I purchase one, I'm wondering if any of the subscribers to this list use one and if so, how effective are they? Apologies for the off-topic post but I though I'd canvass opinions before I buy one. Thanks, Mark M5MDH ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
Re: [Elecraft] K3 Audio Files 75m ssb
Hi Tree L:istening to the ssb audio, I could hear the static crashes in the background. Do any of the noise reduction features make a dent in the crashes yet? 73, Bob N6WG - Original Message - From: Tree [EMAIL PROTECTED] To: Don Rasmussen [EMAIL PROTECTED] Cc: Elecraft elecraft@mailman.qth.net Sent: Saturday, September 22, 2007 9:19 AM Subject: Re: [Elecraft] K3 Audio Files 75m ssb On Sat, Sep 22, 2007 at 09:18:05AM -0700, Don Rasmussen wrote: That's just amazing. It sounds so much richer that way. I am so wanting to get a K3 in my hands. !!! It is really cool. Speakers will work if you have your head in the middle. Tree ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
Re: [Elecraft] K3 Audio Files 75m ssb
Thanks, Tree. Really eager to see how it works out. 73, Bob N6WG - Original Message - From: Tree [EMAIL PROTECTED] To: elecraft@mailman.qth.net Sent: Saturday, September 22, 2007 9:29 AM Subject: Re: [Elecraft] K3 Audio Files 75m ssb On Sat, Sep 22, 2007 at 09:28:13AM -0700, Robert Tellefsen wrote: L:istening to the ssb audio, I could hear the static crashes in the background. Do any of the noise reduction features make a dent in the crashes yet? The honest answer is that I don't know yet. There is some neato noise reduction stuff being worked on and I understand the first version of it is available - but I have to get an upgrade of my DSP hardware to the production version before I can test it here. Tree ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
[Elecraft] K3 PA bypass in receive
I've been studying the block diagram of the K3, and have a question about the 100w PA block. There is a bypass relay shown in in the PA I/O block which would provide the receive path. Is this really a relay or some bypass circuit? I wouldn't be happy with a relay flapping away, trying to follow keying. Hate the clicking noise from them. Anybody know? 73, Bob N6WG ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
Re: [Elecraft] K3 PA bypass in receive
Thanks, Lyle. I thought that would be the case, but good to have it confirmed. Not ready to operate QRO yet, but when I buy my K3 it will have the 100w PA in it, just in case :-) Thanks and 73 Bob N6WG The Little Station with Attitude - Original Message - From: Lyle Johnson [EMAIL PROTECTED] To: Elecraft Mail List elecraft@mailman.qth.net Sent: Friday, September 21, 2007 10:47 AM Subject: Re: [Elecraft] K3 PA bypass in receive There is a bypass relay shown in in the PA I/O block which would provide the receive path. Is this really a relay or some bypass circuit? There are no T-R relays, Bob. The block diagram is indicating a switching arrangement. Trust me, the T-R switching is not mechanical at QRP or QRO levels! 73, Lyle KK7P ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
Re: [Elecraft] higher-resolution assembly manual to be posted soon
Wayne Another idea for those that want to look at a higher resolution photo would be to put a folder of them on the E web site. Then people could download the whole thing, or just select those pix they particularly wanted for a better look. 73, Bob N6WG - Original Message - From: wayne burdick [EMAIL PROTECTED] To: Fred (FL) [EMAIL PROTECTED] Cc: Elecraft Reflector elecraft@mailman.qth.net; Eric Swartz [EMAIL PROTECTED] Sent: Tuesday, September 11, 2007 8:57 AM Subject: [Elecraft] higher-resolution assembly manual to be posted soon It's not a matter of can't please all of the .. regarding the LOW REZ Fred, The only reason that a low-resolution preliminary manual was posted is because the file size of the high-res version is much larger. (The Microsoft Word original is over 50 megabytes!) We'll post a larger one anyway for those who don't mind the download time. 73, Wayne N6KR --- http://www.elecraft.com ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
Re: [Elecraft] OT: Hotel antenna
Dave One thing you will need is a way to hold the wire away from the side of the building. A telescoping fishing pole would be the easiest to take along and draw no comments. You can stick it out a window and let the thin wire hang down in the clear. Good luck and 73 Bob N6WG - Original Message - From: Dave Van Wallaghen [EMAIL PROTECTED] To: elecraft@mailman.qth.net Sent: Monday, September 03, 2007 10:58 AM Subject: [Elecraft] OT: Hotel antenna OT I know, but it does relate to my K2 ;-) Wondering if anyone on the list might have a recommendation for a simple QRP antenna for use in a hotel? My wife is attending a conference in Chicago in a couple of weeks and I'm going with. When she booked the hotel, I just asked that we get a room as high as possible. I'm not sure what we got yet. I'm taking my K2 (I bought a nice Pelican case for it a few months ago) and a few spools of small enameled wire. I was thinking of just using a 65' end fed with a 1/4 wavelength counterpoise for 40m operation. I've also done some reading on the W3EDP antenna. Anyone have some decent experiences out there? Or, bad ones that I should stay away from? Dave W8FGU K2 #5099 ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
Re: [Elecraft] Re: K3 Reference Oscillator
Wayne, given that 49.380 isn't a readily available calibration freq like, say, WWV, how does a ham in the field check or set it if needed? 73, Bob N6WG - Original Message - From: wayne burdick [EMAIL PROTECTED] To: Ron Durie [EMAIL PROTECTED] Cc: Elecraft@mailman.qth.net Sent: Wednesday, August 29, 2007 8:59 AM Subject: [Elecraft] Re: K3 Reference Oscillator 49.380 MHz. All signal sources are phase-locked to the refernce. Fine adjustment occurs in firmware, and once calibrated, it's accurate to about 1 Hz through 6 meters at the calibration temperature. The high-stability option is at the same frequency, with firmware correction to better than 0.5 ppm. 73, Wayne N6KR On Aug 29, 2007, at 8:51 AM, Ron Durie wrote: What is the operating frequency of the K3 TCXO reference oscillator? --- http://www.elecraft.com ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
[Elecraft] Questions for any K3 FTs
1. I understand the K3 has a much more sophisticated noise blanker than the K2. Also that the DSP includes a blanking capability. I'd appreciate any impressions as to how well these work, alone or in combination. 2. On the DVK capability, do we get some kind of audio sidetone when transmitting to reassure the op he punched the right button? Also, is the DVK controllable from a logging program like TRLOG? Thanks and 73 Bob N6WG ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
Re: [Elecraft] Conception of a K2
John When the K2 is finished and it's time for alignment, many of us use a noise generator to feed the receiver, the Spectrogram audio spectrum analyzer program to set the filters up for the best results, and an oscilloscope to display the resulting filter passbands. I believe the free version of Spectrogram is still available on N0SS' web page. There are several noise generator kits around, not very complicated at all. I believe Elecraft also has one. It would be an easy kit for your son to knock out along the way. Good luck and 73 Bob N6WG - Original Message - From: John Huggins [EMAIL PROTECTED] To: Elecraft@mailman.qth.net Sent: Monday, August 13, 2007 9:08 PM Subject: [Elecraft] Conception of a K2 OK so I have decided to buy the base K2 kit and build it along with my son; He needs to see a process like this unfold. I have read the various FAQs, tips, etc. I am not new to kit building. We have a good soldering station. If the K2 works out well we will use it on CW for a while and then add enhancements: SSB first then others (perhaps DSP, 160M, 60M-Xvrter, 100Watts).. Are there tools or tips I am missing before I drop the coin? John ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
Re: [Elecraft] Twin Lead feedline
Thom There are various grades of 300 ohm twinlead. Some are very cheap and have pretty skimpy conductors. Some are good quality. There is/was at least one version that was suitable for transmitting (power level not stated that I can recall). If you have some of the good quality stuff, you can probably do 100w just fine. I'd watch out for the skimpy stuff, though. Good luck and 73 Bob N6WG - Original Message - From: Thom LaCosta [EMAIL PROTECTED] To: Elecraft@mailman.qth.net Sent: Tuesday, August 14, 2007 4:26 AM Subject: [Elecraft] Twin Lead feedline It's been years since I melted 300 ohm twin lead... Can I use it for a 44 foot each side of center doublet at 100 watts out? I can't find any other open wire feedline locally, and I need to get something up in the airI keep on walking into the slinky that runs down my hallway. I'm thinking at 5 watts it will pass...just not sure what will happen at 100 watts. Thanks 73 k3hrn Thom,EIEIO Email, Internet, Electronic Information Officer www.baltimorehon.com/Home of the Baltimore Lexicon www.tlchost.net/hosting/ Web Hosting as low as 3.49/month ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
Re: [Elecraft] operating question about K2 pre-amp/attenuator
In a nutshell, band conditions. At times, on 80 or 40m, signals and noise will be plenty strong. So then I switch in the attenuator. The preamp is mainly for use on 20m and up, especially if you are using just wire antennas without the gain of a beam. If you have a good beam, and signals are strong enough for operation without the preamp, by all means, turn it off. In contest conditions, the preamp increases the problems of QRM from strong nearby stations. Also, on 80 and 40, the attenuator can help with keeping the KW stations from drowning out the weaker stations that you might be working. Good luck and 73 Bob N6WG - Original Message - From: Matthew Denson [EMAIL PROTECTED] To: Elecraft@mailman.qth.net Sent: Tuesday, August 14, 2007 9:38 AM Subject: [Elecraft] operating question about K2 pre-amp/attenuator Hi All, My operating experience is fairly limited, so I have a question about operating the K2. What circumstances would cause one to turn off the pre-amp? And related, what circumstances would cause one to turn on the attenuator? Even my old FT-101 had an attenuator to switch in, but I never came across a situation where I thought I'd want to. 73, Matthew AE6UP Sick sense of humor? Visit Yahoo! TV's Comedy with an Edge to see what's on, when. http://tv.yahoo.com/collections/222 ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
Re: [Elecraft] Next K2 Addon
Matt I personally believe the ATU is the slickest of all the options created for the K2. I just plain works! Darned hard to find an antenna I can't find a match for with the ATU. This is particularly important if you like to take your K2 on trips, Field Day, or just an outing in the park. Good luck and 73 Bob N6WG - Original Message - From: Matt Palmer [EMAIL PROTECTED] To: elecraft@mailman.qth.net Sent: Friday, August 10, 2007 4:16 AM Subject: [Elecraft] Next K2 Addon I figured i would poll the peanut gallery, assuming in my next two weeks where i have nothing better to do i can finish the K2 and get it aligned quickly, I should have some extra pocket change, what is the logical next step, auto-tuner or SSB board? (SSB will be used for psk only)? All comments, advice and snide remarks are accepted and appreciated! Matt KD8DAO ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
Re: [Elecraft] K2 Tuner?
Jim I use the dual balun from Elecraft. I switch between 1:1 and 4:1 to see which one gives the lowest swr on the band I'm on. Then let the ATU tune it for the final match. I do the checking with the ATU in CAL S so I can see the unmatched swr right from the balun. Then I switch the ATU in and let'er rip. Good luck and 73 Bob N6WG - Original Message - From: Jim Miller [EMAIL PROTECTED] To: Elecraft@mailman.qth.net Sent: Tuesday, July 31, 2007 5:07 PM Subject: [Elecraft] K2 Tuner? My remote tuner bit the dust again and I'm going to actually use the K2 tuner for a while. My setup is a dipole about 88ft long at about 50ft off the ground. It's fed with a nominal 450ohm window line (thewireman) and it will take about 75ft of this to reach my back porch where I will temporarily operate...mosquitos permitting... My question is do any of you find a balun necessary in such a situation or do you just go with a BNC to banana jack adapter? If you find a balun helpful which do you use: 4:1 or 9:1? 73 jim ab3cv ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
Re: [Elecraft] K2 and DSP
To the contrary, John. The KDSP2 does several things for you. The obvious cw filtering, additional audio gain, and the Noise Reduction that you only get with a DSP unit. Mine is switched in all the time. Great unit. 73, Bob N6WG - Original Message - From: John Reilly [EMAIL PROTECTED] To: elecraft@mailman.qth.net Sent: Tuesday, July 31, 2007 10:19 AM Subject: [Elecraft] K2 and DSP I notice no mention in the Reflector about the DSP module in the K2. Furthermore, I never see a K2 equipped with DSP for sale. Is there a reason that the DSP module is not popular in the K2? - 73, John, W0JFR ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
Re: [Elecraft] Off Topic: Manhattan Style Construction
Hi Lee Well, there are several ways to do Manhattan construction. You can use a punch to make circular pads, or you can use a nibbling tool to get small rectangular pads. I glue mine down to a surface with Crazy glue. Components can be mounted vertically or horizontally, depending on what you are doing. With vertical mounting, one lead is very short, soldered directly to its pad. The other lead then is bent over and comes down to the other pad. This works well with resistors, diodes, small molded chokes, etc. For disc caps or other components with the leads coming out of the same side, standing the component up with both leads out the bottom seems to be best. Due to layout needs, sometimes one component will be horizontal, and another will be vertical, straddling the horizontal part. Ground connections can be soldered directly to the conductive substrate, whatever you use. I have mostly built preamps using Manhattan style building. I like to build each stage on its own small substrate of PC material. I can easily test them before installing them in an Altoids can. Great little project boxes :-) I have one preamp of three stages, each with its own substrate, with the substrates soldered to the Altoids can for a secure ground. Hope this gives you a few ideas, Lee. We haven't covered all of it here, but this should give you some starting ideas. Good luck and 73 Bob N6WG The Little Station with Attitude - Original Message - From: Lee Buller [EMAIL PROTECTED] To: Elecraft Reflector elecraft@mailman.qth.net Sent: Thursday, July 26, 2007 6:29 AM Subject: [Elecraft] Off Topic: Manhattan Style Construction Sorry for the off topic question, but I am looking for information on tips and tricks to Manhattan Style Construction. There was a great article published on the net several years ago, but it seems to have disappeared. Anyone have information or where I can get information about this style of construction? Lee Buller - K0WA In our day and age it seems that Common Sense is in short supply. If you don't have any Common Sense - get some Common Sense and use it. If you can't find any Common Sense, ask for help from somebody who has some Common Sense. Is Common Sense divine? ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
Re: [Elecraft] k2 question
Frank The K2 tuning experience is smooth, but a bit different. The K1 is continuous tuning with an LC oscillator. The K2 uses a sort of synthesizer, in that the tuning goes about 5 kHz then there is a tick as the internal works switches to the next 5 kHz range. For all practical purposes, it is continuous tuning. An advantage to the K2 tuning is that you can change the tuning rate from the front panel. Mine has three different tuning rates which I just love. 73, Bob N6WG - Original Message - From: Frank [EMAIL PROTECTED] To: elecraft@mailman.qth.net Sent: Thursday, July 05, 2007 5:33 AM Subject: [Elecraft] k2 question K2 users, I'm thinking about building a k2 for myself.I built the k1 and do use it.Is the VFO operation better than the k1? I guess, I mean ,is it smooth to use for hours of tuning the bands or is it similar to the k1? Thank You Frank Caputo WA2AAW ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
Re: [Elecraft] Guidance
I would suggest you look at 40m. During this low part of the sunspot cycle, you are more likely to find QSOs on 40 than on any other band, day or night. Welcome to ham radio, Frank. Hope to run into you on the air one day. 73, Bob N6WG - Original Message - From: Frank J. MacDonell [EMAIL PROTECTED] To: elecraft@mailman.qth.net Sent: Tuesday, June 19, 2007 12:43 PM Subject: [Elecraft] Guidance I got my Technician license in February and I am learning CW. I have built a dipole and ordered a K3. What advice do you guys have for initial band use and getting feet wet in the Ham Universe? Thanks! ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
Re: [Elecraft] waaaay OT: Russian Woodpecker
Wow, that antenna structure is truly mind boggling. Sure wish I could read Russian. It looks really interesting. I think my K2 could burn a hole in a steel plate with the gain of that antenna system :-) 73, Bob N6WG - Original Message - From: DOUGLAS ZWIEBEL [EMAIL PROTECTED] To: elecraft@mailman.qth.net Sent: Friday, June 08, 2007 10:00 AM Subject: [Elecraft] wy OT: Russian Woodpecker http://pripyat.com/ru/internet_photo/chernobyl_2/1/1627.html ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
[Elecraft] K3 noise blanking
Have any of the Field Testers with working K3s had a chance to look at the combined performance of the hardware (firmware?) and DSP noise blanking abilities to suppress key clicks from other stations? During some contests, that would sure be handy. Thanks and 73 Bob N6WG ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
Re: [Elecraft] Keyboard question
Hi Ken I have one that might be what you are looking for. I use it with TR LOG here. The mfr is BTC, and I think the model is 5100-C. It has no numeric key pad. It has 10 F keys. Width is 11.75 inches by 6 inches deep. Really fits well on my small operating desk. It has foldup legs at the rear to raise the back a bit for a more comfortable typing angle. It was quite inexpensive, as I recall. Maybe something around $20 at my local computer store. Good luck and 73 Bob N6WG - Original Message - From: Ken Kopp [EMAIL PROTECTED] To: elecraft@mailman.qth.net Sent: Tuesday, May 15, 2007 8:24 PM Subject: [Elecraft] Keyboard question Can someone aim me at a small keyboard? I realize that small is relative, so let's say something that's appropiate for my K3. Something on the order of a small laptop keyboard in a housing. I've walked the isles of a few computer departments scanning the shelves, asked sales folks and haven't found anything. 73! Ken Kopp - K0PP [EMAIL PROTECTED] ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
Re: [Elecraft] Re: Elecraft Digest, Vol 37, Issue 22
Hi David Just out of curiousity, have you experimented with receiving loops at all? On 160m, I pretty much have to receive on a loop, as my vertical is very noisy in this neighborhood. There is a tremendous wealth of info about loop antennas on the web. I have three loops. One tuned loop for 160m on a cheap Radio Shack TV rotator, an untuned loop that can be swapped with the tuned one for use on 80 and 40, and a fixed Flag loop which is aimed at New York. Info on the Flag loop can be found at http://www.angelfire.com/md/k3ky/page37.html Good luck and 73 Bob N6WG - Original Message - From: David Ferrington [EMAIL PROTECTED] To: elecraft@mailman.qth.net Sent: Friday, May 11, 2007 3:09 AM Subject: [Elecraft] Re: Elecraft Digest, Vol 37, Issue 22 I think I agree, here in a very built up area, I have an S9 noise floor that I can do little about except move. And moving isn't an option right now (maybe in 10 years when I retire, Hi). Unfortunately, putting something bigger up in the way of an antenna is probably not an option either (I have a high long wire, 6m halo, 2m halo 6m/2m/70cm vertical). Running much more that 100W would probably be a problem for my neighbours too (with who I have good relations at present). So a good Rx is my best option - I've got one on order, it's called a K3 :-) On 11/5/07 09:05, [EMAIL PROTECTED] [EMAIL PROTECTED] sent: Money spent on an improved antenna system would far outweigh money spent on extra power, especially at the 3dB increase level. -- Hofstadter's Law: The time and effort required to complete a project are always more than you expect, even when you take into account Hofstadter's Law. ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
Re: [Elecraft] Yaesu FT-2000 v K-3?
There's one more thing to consider. I contest at the 5W level, and work almost everything I can hear eventually. That being the case, 100w might let me work those stations a bit sooner, but once I've done that, those 100w won't help me hear any better. Gotta hear them to work them. Money spent on an improved antenna system would far outweigh money spent on extra power, especially at the 3dB increase level. 73, Bob N6WG - Original Message - From: Brian Lloyd [EMAIL PROTECTED] To: Elliott Lawrence [EMAIL PROTECTED] Cc: Elecraft@mailman.qth.net Sent: Thursday, May 10, 2007 11:58 AM Subject: Re: [Elecraft] Yaesu FT-2000 v K-3? On May 10, 2007, at 10:06 AM, Elliott Lawrence wrote: One thing that would help would be an additional option for a 200w capable radio the K3D!!! I wonder if that is a future possiblity??!! Do you really think that 3dB will be enough of an advantage? That is all you will get when you go from 100W to 200W. It seems to me that one needs at least 6dB to make enough difference to make the effort worthwhile. 6dB seems to be the difference between, I know you are there but I can't quite copy you, and, QSL. If you started at 100W then you would need 400W to make that difference. I tend to think that 10dB is about the right increment and that would be 1000W. That leads me to feel that if you need more power than 100W you are going to need an external amplifier. And then there is the issue of path symmetry. Path loss is going to be the same in both directions. Given that most rigs out there are in the 100W range the signal arriving at each end will be the same. Hmmm. Oh! The K3 is likely to have a much better receiver than the one the other guy is using. So if he is using 100W and you have acceptable copy on him you might need a 3dB-6dB improvement in your signal in order to deliver an equivalent readability signal to the other end. Interesting thought. Maybe a 200-300W PA wouldn't be such a bad idea after all. 73 de Brian, WB6RQN Brian Lloyd - brian HYPHEN wb6rqn AT lloyd DOT com ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
Re: [Elecraft] Advice needed on stripping enameled wire
Gary For over 55 years, I've always cleaned the ends of enameled wire by scraping with a sharp blade on my pocket knife. With practice, it doesn't take much longer than using the melt it off approach, but it' s always with me, whereever I may be :-) Good luck and 73 Bob N6WG - Original Message - From: Gary McKelvie [EMAIL PROTECTED] To: elecraft@mailman.qth.net Sent: Tuesday, May 08, 2007 2:05 AM Subject: [Elecraft] Advice needed on stripping enameled wire Hi to the list, Was wondering if anyone has any tips for stripping the enamel off the enameled wire for coils,transformers etc. I find that using the hot blob of solder method wasteful of solder and not 100%, so am currently using a mixture of a lighter flame and the solder technique which seems to be better than just the blob of solder method.. So is there a better way or how do you do them? 73 Gary G7USC Gary McKelvie G7USC Web : www.garym.org.uk Mobile : +447968501863 MSN Messenger : [EMAIL PROTECTED] So Long and Thanks for all the Fish ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
Re: [Elecraft] K2 Improvement Ideas--Adding on
Bill I'd like to add to your list the ability to have the KAT2 autotuner be active on one antenna port and be bypassed on the other. I have some antennas that require the autotuner for a match, and others that are already a good match as they are. I'd also like to see an improvement in the cw crystal filter to improve the signal suppression outside the filter passband. 73, Bob N6WG - Original Message - From: Bill Coleman [EMAIL PROTECTED] To: wayne burdick [EMAIL PROTECTED] Cc: Elecraft elecraft@mailman.qth.net Sent: Thursday, May 03, 2007 8:32 PM Subject: [Elecraft] K2 Improvement Ideas On Apr 28, 2007, at 12:45 PM, wayne burdick wrote: Please send me directly any suggestions for K2 improvements. I maintain this list, prioritizing task items based on the needs of current and future K2 owners. OK, you asked for it I'm certainly going to buy a K3, when I can afford it, which may be a while. I do have several suggestions for the K2, which is going to remain a very fine and capable radio: Firmware Only Enhancements: 1) RTTY Mark Frequency Display. Like the CW mode displays the frequency of the received CW signal, the RTTY mode ought to display the frequency of the Mark signal. A menu option would be needed to set the frequency of the Mark signal. (This would essentially subtract or add the Mark frequency from the LSB/USB carrier frequency, respectively) 2) Option for VOX to toggle VOX on / off only. Delay is set in a menu option. (Beats having to cycle through all delay times to turn on / off, which I do frequently) 3) Menu settings for default tuning rate for each mode (CW, USB/LSB, RTTY). I currently find myself constantly switching between 10 Hz and 50 Hz whenever I change modes. 4) Unified Filters - Have three or four filter presets for each mode that are combinations of an XFIL and DSP setting values. Allow one button (such as XFIL) to cycle through the presets. This would allow easier manipulation of the two sets of filters, rather than having to tap and hold the same button to get things in sync. (Made even harder because you can't see which filter is currently selected) 5) IF Shift - replace XIT mode with IF Shift. RIT takes priority over the control if on. Either that, or control IF Shift with the Keyer speed control (at least in USB/LSB, RTTY). Or perhaps hold down XIT and rotate tuning dial. 6) Option to flip CW sidebands on 15m and up so tuning direction stays the same. 7) Computer command to set the contents of the CW memories -- so you can program them from a PC program and then run them from the front panel. 8) New INP mode that would allow PTT on the dot line and CW keying on the dash line for contesting work. (No auto-detect of hand keying in this mode) 9) Have a mode for variable rate tuning -- normal tuning is one step at a time, but as you turn the knob faster, the tuning rate increases so long as you tune quickly. (A similar technology is used to accelerate mouse movement and has been on the Mac for over two decades) 10) Option for one-touch selection of Tuner AUTO/CAL (eg out) selection. This would allow one to easily switch the tuner on and off. Hardware Improvements: 1) Improved KSB2 module -- filter with sharper skirts (better than 1.5 shape factor), more (6-10 dB) mic gain available, more positive VOX (using separate VOX amplifier), anti-VOX circuitry. 2) Improved KNB2 -- allow selection of longer blanking times, more thresholds, better blanking action. 3) PFx Module -- teeny little module that has four (or so) buttons. Hooks into AUX line and offers access to eight functions of the K2 (four for tap, four for hold) Obviates the need for FPLY, opens the K2 up for easier access to things like switching filter presets, noise reduction modes, RIT clear. Lots simpler and cheaper than the KRC2 because it is just the buttons. (Might also be useful for the K3) 4) Remote Tuning Knob -- borrow the idea from Ten-Tec. Perhaps part of PFx module. Bill Coleman, AA4LR, PP-ASELMail: [EMAIL PROTECTED] Quote: Not within a thousand years will man ever fly! -- Wilbur Wright, 1901 ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
Re: [Elecraft] K2 Improvement Ideas--Adding on
Hi Don Yes, if there were only two antennas, that would work., and I've done that. However, I have more than that, some connected to a rotary switch outboard to the K2. When I switch them, I don't want to retune the ATU with each new antenna I connect, as I'm often switching to find the best signal for a station I'm trying to work. Some antennas present a nice 50 ohm match as they are, and some don't. I'd like to put the 50 ohm matches all together on one port and those that need matching on the other port. I'm still trying to get to the point where all the antennas are 50 ohms at the switch, and then it wouldn't matter. But it ain't easy :-) 73, Bob N6WG - Original Message - From: Don Wilhelm [EMAIL PROTECTED] To: Robert Tellefsen [EMAIL PROTECTED] Cc: Bill Coleman [EMAIL PROTECTED]; wayne burdick [EMAIL PROTECTED]; Elecraft elecraft@mailman.qth.net Sent: Friday, May 04, 2007 5:14 AM Subject: Re: [Elecraft] K2 Improvement Ideas--Adding on Bob, I see no real need for a bypass on just one of the tuner antenna jacks. In my mind it is already there, but better - just do a TUNE once on each band where your antenna is resonant and the K2 will remember - I regard that as better than a bypass function. 73, Don W3FPR Robert Tellefsen wrote: Bill I'd like to add to your list the ability to have the KAT2 autotuner be active on one antenna port and be bypassed on the other. I have some antennas that require the autotuner for a match, and others that are already a good match as they are. I'd also like to see an improvement in the cw crystal filter to improve the signal suppression outside the filter passband. 73, Bob N6WG ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
Re: [Elecraft] K2 Improvement Ideas--Adding on
True, but I seem to recall he decided the return on the effort involved wasn't worth it. 73, Bob N6WG - Original Message - From: Bill Coleman [EMAIL PROTECTED] To: Robert Tellefsen [EMAIL PROTECTED] Cc: wayne burdick [EMAIL PROTECTED]; Elecraft elecraft@mailman.qth.net Sent: Friday, May 04, 2007 5:05 PM Subject: Re: [Elecraft] K2 Improvement Ideas--Adding on On May 4, 2007, at 12:14 AM, Robert Tellefsen wrote: I'd also like to see an improvement in the cw crystal filter to improve the signal suppression outside the filter passband. I'm pretty happy with the CW filter. It has good suppression outside the passband for me -- although I'm considering making a couple of bypass cap mods to improve this. I think KI6WX published a mod that involved a half-dozen chip capacitors. Bill Coleman, AA4LR, PP-ASELMail: [EMAIL PROTECTED] Quote: Not within a thousand years will man ever fly! -- Wilbur Wright, 1901 ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
Re: [Elecraft] K3
I hope (and expect) that the K3 has more robust headphone jacks. 73, Bob N6WG - Original Message - From: Lyle Johnson [EMAIL PROTECTED] To: [EMAIL PROTECTED] Cc: ELECRAFT Elecraft@mailman.qth.net Sent: Friday, May 04, 2007 5:17 PM Subject: Re: [Elecraft] K3 If using an external receiver with K3 is the RX ANT OUT the correct connection to get signal to the external RX? Yes. I see a PHONES connector on rear panel. If used how does one switch between speaker and headphones? I like the idea to get MIC and HEADPHONES off the front panel. Plug in headphones to either the front or rear phones jack and the speaker is muted. Is the PA circuit breaker readily available if needed? Yes, it is on the rear panel, part of the fan assembly. Can ANT1 and ANT2 be set and stored by band? Yes. 73, Lyle KK7P (I'll let someone else answer the first two questions you asked.) ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
Re: [Elecraft] Re: K3
Now that is COOL! 73, Bob N6WG - Original Message - From: wayne burdick [EMAIL PROTECTED] To: Elecraft Reflector Elecraft@mailman.qth.net Cc: [EMAIL PROTECTED] Sent: Friday, May 04, 2007 5:28 PM Subject: [Elecraft] Re: K3 Lyle Johnson wrote: Can ANT1 and ANT2 be set and stored by band? The settings for ANT1 and 2 are stored on a per-band, per-GP-memory basis. Also stored is up to a 5-character text label for each antenna. So, when you change antennas, it'll tell you whether you're on the YAGI or the VERT, etc. The antenna name is also flashed briefly whenever you change bands, as a quick reminder that's more meaningful than just 1 or 2. 73, Wayne N6KR --- http://www.elecraft.com ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
[Elecraft] Maintenance question
While everyone is talking up all the new and neat stuff in the K3, I haven't seen much mentioned about how the K3 will be maintained. How extensive are the diagnostic routines to enable the owner to decide if a module is bad, and which one? Are the modules field repairable? If extensively SMD populated, I would guess probably not. Will the modules be factory repaired and returned, or will there be a module exchange program. Part of the fame of the K2 is its owner repairability. Since it seems we won't be able to do much with the inner works of the modules, it would be reassuring to know just what provision will be made to getting back on the air reasonably quickly. Keep up the good work. I'm saving my pennies for my K3. 73, Bob N6WG ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
[Elecraft] Another T Shirt idea
To steal a line from the sports world, Elecraft It's a K3-peat 73, Bob N6WG ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
Re: [Elecraft] TShirt
Oh, bad pun. I love it :-) 73, Bob N6WG - Original Message - From: Mike [EMAIL PROTECTED] To: Elecraft@mailman.qth.net Sent: Tuesday, May 01, 2007 8:36 AM Subject: [Elecraft] TShirt e l e c r a f t k kkk k kkk k k k K Tree 73, k5nu ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
Re: [Elecraft] T shirt slogans
Hmmm Sounds like a license plate. You may need an annual sticker to keep the cops from ticketing you :-) 73, Bob N6WG - Original Message - From: Tom Hall [EMAIL PROTECTED] To: elecraft@mailman.qth.net Sent: Tuesday, May 01, 2007 1:02 PM Subject: RE: [Elecraft] T shirt slogans I just left a deposit for a K3. My T shirt will now say: K34ME! K24U? Tom, ak2b ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
Re: [Elecraft] Elecraft in ARRL 160
#20 for N6WG. 160 is tough from CA, especially QRP :-) 73, Bob N6WG - Original Message - From: [EMAIL PROTECTED] To: J F [EMAIL PROTECTED]; elecraft@mailman.qth.net Sent: Monday, April 30, 2007 5:52 AM Subject: Re: [Elecraft] Elecraft in ARRL 160 Looks like I made #36 for QRP Single Op with my K2 and only a couple of hours of opearating time. Mark, NK8Q From: J F [EMAIL PROTECTED] Date: 2007/04/30 Mon AM 07:36:24 CDT To: elecraft@mailman.qth.net Subject: [Elecraft] Elecraft in ARRL 160 Curious how many other Elecrafts made the Top Ten in the ARRL 160. I know Gene, KB7Q, used one, as did I... Anyone else? 73, Julius n2wn ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
Re: [Elecraft] Elecraft in ARRL 160
Yes, and KH6 and JA also. I even worked N8S on topband during the expedition. Also found that I took first place in Pacific Division ARRL 160 cw. Just aren't that many QRPers on top band out here. 73, Bob N6WG - Original Message - From: J F [EMAIL PROTECTED] To: Robert Tellefsen [EMAIL PROTECTED]; [EMAIL PROTECTED]; elecraft@mailman.qth.net Sent: Monday, April 30, 2007 10:04 AM Subject: Re: [Elecraft] Elecraft in ARRL 160 160M QRP is getting to be very popular and competitive. You folks in the west do get kinda robbed on multipliers...of course, KL7 is somewhat easier ;o) Cheers, Julius n2wn --- Robert Tellefsen [EMAIL PROTECTED] wrote: #20 for N6WG. 160 is tough from CA, especially QRP :-) 73, Bob N6WG - Original Message - From: [EMAIL PROTECTED] To: J F [EMAIL PROTECTED]; elecraft@mailman.qth.net Sent: Monday, April 30, 2007 5:52 AM Subject: Re: [Elecraft] Elecraft in ARRL 160 Looks like I made #36 for QRP Single Op with my K2 and only a couple of hours of opearating time. Mark, NK8Q From: J F [EMAIL PROTECTED] Date: 2007/04/30 Mon AM 07:36:24 CDT To: elecraft@mailman.qth.net Subject: [Elecraft] Elecraft in ARRL 160 Curious how many other Elecrafts made the Top Ten in the ARRL 160. I know Gene, KB7Q, used one, as did I... Anyone else? 73, Julius n2wn ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
Re: [Elecraft] Elecraft in ARRL 160
Well done, Gary. You're the guy I always try to beat, and never quite make it. But I'm still trying :-) 73, Bob N6WG The Little Station with Attitude - Original Message - From: Gary Hembree [EMAIL PROTECTED] To: elecraft@mailman.qth.net Sent: Monday, April 30, 2007 2:31 PM Subject: Re: [Elecraft] Elecraft in ARRL 160 5th place QRP with K2 #2154. Shunt-fed 22 meter tower and K9AY loop array for antennas. #2 QRP multiplier total, way behind VY2ZM. Gathering mults is the only way I can compete from Arizona, where it's a long way to the 160 meter population center. See you in the next contest. 73 Gary, N7IR ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
Re: [Elecraft] Re: roofing filter loss and method of compensation
Wayne Will the variable bandwidth filters have better ultimate rejection/less blowby than the variable bandwidth filter in the K2? 73, Bob N6WG - Original Message - From: wayne burdick [EMAIL PROTECTED] To: Toby Deinhardt [EMAIL PROTECTED] Cc: elecraft@mailman.qth.net Sent: Sunday, April 29, 2007 4:30 PM Subject: [Elecraft] Re: roofing filter loss and method of compensation Wow, Toby, that *is* a complicated question, partly because we haven't nailed down the specs for our variable-passband roofing filters yet. I'd leave room for at least one of those (CW or SSB bandwidths). Here's a set that covers all modes including AM and FM: FL1 = FM bandwidth (something like 13 kHz) FL2 = 6 kHz (AM; wide SSB) FL3 = 2.8 kHz (workhorse SSB filter) FL4 = 500 Hz (nominal CW) FL5 = 200 Hz (narrow CW) If you were doing primarily SSB, you might want to go with 1.8 or 2.1 kHz at FL4. At present these filters are only offered by INRAD. We plan to offer a variable-passband 5-pole filter that covers something like 1.8 to 2.5 kHz that would fill this bill in the future. Having used something different at FL4, you'd then need to reevaluate FL5. It could be 400 Hz (INRAD fixed), 500 Hz (Elecraft fixed), or even an Elecraft variable CW/DATA bandwidth filter -- TBD, but probably something like 300-600 or 300-800 Hz. Of course this assumes that you want AM and FM-bandwidth filters. If you don't operate in these modes, you'll have more SSB/CW/DATA filter flexibility. You could also put narrower filters on the sub-receiver. 73, Wayne N6KR On Apr 29, 2007, at 1:13 PM, Toby Deinhardt wrote: Hi Wayne, I know that this is a really loaded question, and I am sure that if you put three hams in a room you would get 7 opinions... What combination of filters (fixed and/or variable) would you feel are appropriate for... --- http://www.elecraft.com ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
Re: [Elecraft] 1966 Year Of QST Volumes
Andy ARRL sells CDs with several years of QST on one CD. Look in any QST, or go to the ARRL web page. 73, Bob N6WG - Original Message - From: Andy - GM0NWI [EMAIL PROTECTED] To: Elecraft@mailman.qth.net; [EMAIL PROTECTED] Sent: Thursday, April 26, 2007 11:07 AM Subject: [Elecraft] 1966 Year Of QST Volumes Guy's... Recently saw a post from someone on one of the lists selling a bound volume of I think QST's... Just wondering, as we are all a bit nostalgic with one thing or another, I was born in ZL on May 1st 1966 and would like to try and find out where one would actually find the complete Year of 1966 QST magazines as a collection together.. Is there a CD\DVD available somewhere that would give this... or is it just merley down to folks having the volumes complete from that era...?? What about price of these things..how does that go ... Any info would be appreciated... TIA 73's Andy GM0NWI [EMAIL PROTECTED] No virus found in this outgoing message. Checked by AVG Free Edition. Version: 7.5.463 / Virus Database: 269.6.1/776 - Release Date: 25/04/2007 12:19 ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
Re: [Elecraft] Recieve antennas in an Urban area
Good morning Rich I have three receiving loops here--a full size Flag loop pointed toward New York, a tuned 160m loop and an untuned coax loop for 80-40-30m The last two loops take turns sitting on my portable base with a small Radio Shack TV rotator. During contests I put it in my front yard, well away from my transmit antennas. The rest of the time, these two loops are taken off the base and leaned against my fence inside my back yard. Because of their relatively small pickup area, I use an old Ameco tunable preamp with them. The full-size Flag loop is suspended between two masts that also hold up various other antennas. Its main claim to fame is a cardioid pattern that gives it a good rejection off the rear. Since that is where a lot of my local suburban noise comes from, this is a relatively quiet antenna for me. Its primary use is on 160m, but it also works FB on 80, and even 40 at times. There is an excellent site for the Flag loop with all kinds of good info at http://www.angelfire.com/md/k3ky/page37.html For the rotatable loops, there is also a ton of material on the web. Just search for loop antenna and you'll find enough reading tokeep you busy for a while :-) Good luck and 73 Bob N6WG - Original Message - From: Richard Thorne [EMAIL PROTECTED] To: Elecraft Elecraft@mailman.qth.net Sent: Sunday, April 22, 2007 8:53 AM Subject: [Elecraft] Recieve antennas in an Urban area Just curious what others are using for receive antennas. I have a vertical mounted on my rear fence which does a nice job transmitting, but it gets a bit noisy some times. I use an SGC-239 tuner at the base and it tunes from 10 through 80. I've looked at the Wellbrook loops and they look interesting http://www.wellbrook.uk.com/products.html#ALA1530 I have a small back yard so the larger K9AY loops are not an option. The other antenna I've looked at is the DX Engineering active antennas. http://www.dxengineering.com/Products.asp?ID=220SecID=79DeptID=12 I could mount either of these antennas on my chimney and use a small rotor to rotate them for directivity. My current interest is 80/40/30 meters but that will start changing as the new sunspot cycle starts. So what is the group using for receive antenna's? Rich - N5ZC ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
Re: [Elecraft] K2 Purchase - opinions?
Hi John My only suggestion would be to move the K160RX to Phase 1. If you plan to work the Stew Perry, you need the 160m band. Plus it gives you Aux receive port, invaluable on 160 where it lets you use a quiet receiving loop. That KAT2 includes 160 already, but the K2 itself has to have the K160RX as well. If you don't plan on using a computer with the K2 for logging etc, you could move KI02 to Phase 2. Of all the options, I'm most impressed by the KAT2. Darned hard to find something it won't load. Good luck and 73 Bob N6WG - Original Message - From: John Hoaglun [EMAIL PROTECTED] To: elecraft@mailman.qth.net Sent: Sunday, April 22, 2007 4:20 PM Subject: [Elecraft] K2 Purchase - opinions? Hello to the reflector, I am getting ready to order my K2 system and wanted to run some ideas across the group first. 1. I am looking to build a K2 for QRP operations like Field Day, FYBO, and StewPerry. 2. The K2 will end up becoming the 28mhz IF for my existing transverters once the system is complete. (Historically I am more active on VHF/UHF/Microwaves than on HF.) With that being said here is the plan that I am thinking about using. Phase 1: K2, KSB2, and KAT2 Phase 2: KIO2, K60XV, K160RX Does that plan of attack make sense? It will take me a while to find the time to get the basic HF rig completed so I don't see any reason to order the other kits until the base is complete. Thoughts? Any gotch ya's that I should be aware of with a plan like this? I would like to place my order this week. :-) Thanks, JH -- John Hoaglun NG0R EN25 http://www.hoaglun.com ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
Re: [Elecraft] Nifty little power supply: Gamma Research HPS-1a
Dick Do you know if it is a switching supply? At 1.25 pounds, I would guess that it probably is. If so, have you heard any rf trash from it? 73, Bob N6WG - Original Message - From: Dick Dievendorff [EMAIL PROTECTED] To: 'Solosko, Robert B (Bob)' [EMAIL PROTECTED]; elecraft@mailman.qth.net Sent: Friday, April 20, 2007 7:48 AM Subject: [Elecraft] Nifty little power supply: Gamma Research HPS-1a For W1SRB who's selling his big Astron RS-35A power supply: I really like the little Gamma HPS-1a supply. It'll even power your 100 watt rig on CW or SSB. http://www.gammaresearch.net/hps-1a.html 73 de Dick, K6KR ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
Re: [Elecraft] Nifty little power supply: Gamma Research HPS-1a
Great, that's what I wanted to hear :-) Thanks much, Craig. 73, Bob N6WG - Original Message - From: Craig D. Smith [EMAIL PROTECTED] To: Elecraft@mailman.qth.net Sent: Friday, April 20, 2007 8:11 AM Subject: RE: [Elecraft] Nifty little power supply: Gamma Research HPS-1a Do you know if it is a switching supply? It is a switching supply, Bob, but with an unusual twist. It includes an ultra-capacitor to handle peak load currents. That is how they can deliver 100W for intermittent duty cycle applications such as CW and SSB. In steady state applications such as RTTY it is probably good for perhaps 60 W output. Output voltage is 13.8 V, which is of course ideal for ham gear. Check their web site for more detail. I have heard absolutely no RF noise even with it sitting right next to a rig. 73 ... Craig AC0DS ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
Re: [Elecraft] KAT100 tuning ability for bad antenna match
Hello Barry Since your dipole will be indoors, I would suggest making it a bit longer, closer to 33 ft. Run the first 23 feet as you plan, with the feedpoint in the center. At the ends, let the extra wire extend down 1 foot. The bring the remainder back toward the center, keeping the 1 foot spacing. Use something like wooden dowels or plastic rods to keep the folded back sections parallel to the main part of the dipole. This will give you a 20m dipole, a 15m 3/4 wave dipole, and 2 halfwaves in phase on 10m. If you use 450 ohm window line, or 300 ohm TV twinlead of good quality, you should be able to tune this on all bands 40m through 10m, including the WARC bands. You will need the Elecraft BL-2 switchable balun (4:1 or 1:1 ratios) to allow your rig to get the best match. On some bands, the 4:1 ratio will allow the KAT100 to match most easily. On others, the 1:1 ratio will work better. Experiment until you know which settings go with which bands in your setup. If you have trouble matching on any particular band, adding a little extra feedline will change the impedance enough that the KAT100 will handle it. I use a set of dual banana plugs, not sure what you call them on your side of the pond. This lets me quickly add in a short extension feedline. Actually, if this extra length still allows the KAT100 to match ok on the other bands, just splice it in and leave it as a permanent part of the feedline. Good luck and 73 Bob N6WG - Original Message - From: barry [EMAIL PROTECTED] To: elecraft@mailman.qth.net Sent: Wednesday, April 18, 2007 7:54 AM Subject: [Elecraft] KAT100 tuning ability for bad antenna match I live in an upstairs flat (apartment in us!), and have a small loft space about 23ft long at the ridge and about the same across. Would a KAT100 tuner be able to tune a random length dipole strung along the ridge? If not can you suggest an alternative antenna that would, I am seriously limited in my options for aerials as you can see. Any advice most welcome ... Barry G0MPA ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
Re: [Elecraft] AF1 and small speaker
Dave Another thing you might try. I enjoy rummaging in my junkbox for odd inductors and building passive audio filters. You could build one from the contents of your junkbox and include it in a speaker cabinet with an audio amp. Then you would only have one loose item on the desk. Good luck and 73 Bob N6WG - Original Message - From: Don Wilhelm [EMAIL PROTECTED] To: David Wilburn [EMAIL PROTECTED] Cc: Elecraft Discussion List elecraft@mailman.qth.net Sent: Wednesday, April 18, 2007 9:00 AM Subject: Re: [Elecraft] AF1 and small speaker Dave, If you are considering 'rolling your own', take a look at Tom Hammond's website (particularly http://www.n0ss.net/tda2003v_5w-7w_af_amp_v7.pdf)for an audio amplifier. I use one of these with my K2 and drive a 9 ohm speaker and have good results with it. I don't know about using the KAF2 directly at the amp input, you may have some impedance matching to contend with, but it should be 'do-able'. Fair to Good quality computer speakers work well too. Some of the really cheap ones I have tried have too much hum for my tastes, but other are fine. 73, Don W3FPR David Wilburn wrote: I was considering getting an AF1 and using it, along with the K2 to drive a small speaker here. Possibly figure out a setup where I could integrate the two into an enclosure, like on the Elecraft Tech Notes page. Has anyone played with this setup? I only found a couple of comments in the archives. ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
RE: [Elecraft] OT: 50 years
I've heard that the QCWA (Quarter Century Wireless Ass'n) has, or at least had, a complete set of the old Call Books. It would at least localize one to a particular time period, if not an exact date. If you find a better answer, please post it for us. Good luck and 73, Bob N6WG -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] Behalf Of [EMAIL PROTECTED] Sent: Tuesday, October 31, 2006 7:40 AM To: [EMAIL PROTECTED]; elecraft@mailman.qth.net Subject: Re: [Elecraft] OT: 50 years Congrats to everybody who has achieved 50 years in Ham Radio. I am a bit short of that here. In reading this thread I wondered if I could find out what source would contain the date a ham was first licensed ? I admit I do not know when I got my first ticket but it was 4 calls and 6 moves ago. HI ! Somewhere back in the early sixties, I believe. Any help on this would be appreciated. 73 Al W4ABW ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
RE: [Elecraft] Signal generator question
Hello J-F I would not recommend this generator, as it really isn't intended for your expected use. It is a function generator, meaning it produces sine waves, square waves, triangular waves, and so on, but it only goes up to 3 MHz. You want a regular rf signal generator, which will usually produce a signal from below the AM broadcast band to over 30 MHz. Some will even go up into VHF frequencies. Good luck in your search for a generator. 73, Bob N6WG -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] Behalf Of Jean-François Ménard Sent: Thursday, October 26, 2006 6:32 PM To: Elecraft Mailing List Subject: [Elecraft] Signal generator question Hi, I would like to learn and explore more «signal tracing» procedure and technique. I actually have a Fluke 196C. But I don't have a signal generator. A friend of mine have his signal generator for sale. The model is an Instek GFG-8216A. I would like to know if the device will be good for signal tracing or the specification of this device is not enough for this purpose??? I know that I could build the one in the K2 building manual or at least use the technique «Cheap'n Dirty» from N0SS... but that's not my point ;-) The specification can be viewed at http://www.instek.com/pdf/Generator/GFG-8216A8215A.pdf Thanks for all your advice. Best 73 J-F VA2VYZ __ Do You Yahoo!? Tired of spam? Yahoo! Mail has the best spam protection around http://mail.yahoo.com ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
RE: [Elecraft] BL2 Question
Hi David Yes, the BL2 will do a fine job for you. I use one here with my multiband 40m dipole. Being able to switch between 1:1 and 4:1 ratios is very handy. One band will load best with the 1:1 setting, while another band will load better with the 4:1 setting. Very useful tool. You won't regret it. Good luck and 73 Bob N6WG -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] Behalf Of David Dietrich Sent: Saturday, October 21, 2006 8:50 PM To: elecraft@mailman.qth.net Subject: [Elecraft] BL2 Question Howdy Everyone, I am seriously considering the purchase construction of a BL2 switched balun so I can construct a lighter dipole antenna for field use than the dipole I have been using with my K1-4 (#2051). I am planning on taking the K1 down to TX over Christmas and I don't want to take the heavier dipole I have with me like I did this past summer. It's rather bulky and takes up valuable suitcase space. Here is my plan: Construct a 20 and/or 40 meter 1/2 wave dipole and feed it using standard TV twin-lead as my feedline (found in any hardware/home improvement store), and some #18 wire (I have some on hand). Since the antenna would be balanced, I would attach the twin-lead to the balun and the balun to the back of my K1. I am thinking that this design would make for a good performing, lightweight antenna that will be easier to pack set up. Questions: 1. Will the BL2 work well with TV twin-lead antenna I am going to build? There's no sense in buying it if it won't work with this antenna. 2. What kind of luck have those of you who have built it had with fitting it into some sort of plastic or metal enclosure? What works and what won't? 3. Will I need to do any sort of grounding with this? I'd really like responses from those who either (A) own one OR (B) do a lot of antenna homebrewing experimentation. Many thanks, David KC9EHQ K1-4 #2051 __ Do You Yahoo!? Tired of spam? Yahoo! Mail has the best spam protection around http://mail.yahoo.com ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
RE: [Elecraft] Slightly cracked ferrite core in BL2 kit
On a corner like that, absolutely a non-issue. Go ahead and build and enjoy. Good luck and 73 Bob N6WG -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] Behalf Of michael taylor Sent: Wednesday, October 11, 2006 6:45 PM To: Elecraft Reflector Subject: [Elecraft] Slightly cracked ferrite core in BL2 kit I just received my AT1 and BL2 mini-module kits today and one of the binocular cores from the BL2 balun has a corner cracked from the shipping process, I mean abuse. Should I get it replaced or is it a non-issue? Photo of the slightly cracked ferrite core: http://shurl.org/qWttl -Michael, VE3TIX ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
RE: [Elecraft] 10 meters
Ron For cw tune 28000 to 28100. For ssb tune 28300 up to perhaps 29000.When activity is thin, I expect you will find what there is below 28700. There are many cw beacon stations on 10m. Mostly between about 28170 and 28210. They can give you a good idea of whether there is an opening to somewhere. For a list of beacon stations, see http://www.ten-ten.org/beacons.html Good luck and 73 Bob N6WG -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] Behalf Of ron Sent: Thursday, June 01, 2006 8:43 AM To: elecraft@mailman.qth.net Subject: [Elecraft] 10 meters There must be many of you on this reflectah who must know: where does one listen for activity CW or SSB on this wide, vast band called 10 meters? Ron, wb1hga finally wahmin' up heah in MA. ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
RE: [Elecraft] K2 DSP vs. Audio Filter
Hello John I have both the KDSP2 and the KAF2 filters. I only use the DSP filter anymore. The DSP filter makes a good supplement to the basic crystal filter. Set up the crystal filter first, using Spectrogram. Then turn on the DSP filter at comparable bandwidths and adjust the crystal filter/DSP filter combo for the best overall cw passband. Works very well indeed. The noise reduction ability depends somewhat on the bandwidth of the crystal filter before the DSP. With too narrow a filter the noise is less readily reduced, but it can be reduced to some degree. At wider bandwidths, the DSP NR is more effective. The NR would be readily apparent in ssb service, as there the BW is a couple of kHz or more. The digital sound from the DSP depends on how aggressive you have set the DSP. DSP NR complements the regular noise blanker, and is less effective on the kinds of noise sources where the blanker shines. Together, they do a decent job of reducing noise overall. Good luck and 73 Bob N6WG -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] Behalf Of John Lyon Sent: Thursday, June 01, 2006 10:11 AM To: elecraft@mailman.qth.net Subject: [Elecraft] K2 DSP vs. Audio Filter I am considering these two filters for a K2 that I'm about to buy. I'm mainly a cw guy. I've had experience with audio filters, but not DSP. Actually now that I think about it, my TS-570DG has an audio DSP filter of sorts. I strongly dislike the audio coming out of it as harsh and grainy. I've listened to the demos for ssb and cw on the Elecraft site for the DSP filter. The noise reduction is dramatic, but the audio sounds, well, digital. If the K2 is as quiet a receiver as I've read, does the DSP trash up the received audio? And how does it do with power line noise? I would be interested in anyone's comments and impressions of these two filters in real world operating situations, even though they are apples and oranges. Is DSP worth three times the money in your opinion, and why? John W9LHG K1 #2174 ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
RE: [Elecraft] Wha'ts Wrong With Our Radios (WAS:NewProducts, Building Demo, ...
I'm getting a chuckle out of this thread. There have been some really good ideas surfaced that deserve serious consideration. My take is that we are amateur radio OPERATORS, that is, we operate radios, not necessarily computers. Personally I enjoy hands-on control of my K2, although I admit to using TR LOG for some functions while contesting. The line between hands-on control and computer control is starting to gray here. Keep the ideas coming. I'm enjoying reading them. 73, Bob N6WG The Little Station with Attitude -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] Behalf Of Ron D'Eau Claire Sent: Sunday, May 28, 2006 7:47 PM To: elecraft@mailman.qth.net Subject: RE: [Elecraft] Wha'ts Wrong With Our Radios (WAS:NewProducts,Building Demo, ... Bill wrote: So, this begs this question -- what's the right aspect ratios for a desktop rig? -- And that brings us full-circle to where I started this thread long ago (I notice that all one has to do to make a thread live forever is to misspell a word in the subject). Form follows function. I was talking about a radio with real controls sized for a human being with normal hands. A secondary issue for me is that it doesn't have a lot of multi-purpose controls (buttons that have to be pressed quickly or slowly, knobs that do two or three different things depending upon something else, etc.) So in a rig with what most operators consider the basic necessities, that's a number of controls. Probably at least as many as the K2 now has, and maybe half again more. So we start with a panel big enough for knobs sized for comfortable operation spaced adequately. We end up with something perhaps 10 X 18 inches. Now we build the radio behind it. A transceiver like the K2/100 probably wouldn't require more than an inch or two deep covering an area that large. Put everything on one huge PC board so all the parts are easily accessible for service and general poking around. Now to put in in a good position for human operation. Hold it up at about a 50 to 80 degree angle to the desk. Use a foot at the bottom not unlike flat panel displays. Put the power/antenna/key/mic/computer/etc connectors in the foot so the cables run directly off the desk. Others brought up the idea of an SDR. That's a new game. Now it's just like the power supply, a box under the table. That wasn't what I had in mind though since I have no interest in computer control. Indeed, I'd rather avoid the whole complexity of too much digital to analog conversion and vice versa. I'd rather have knobs that moved wipers on pots and capacitors as needed for most things, Hi! Ron AC7AC ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
RE: [Elecraft] What size DC Power Plug for K1
The K1 is small enough you can take it to the store to try them both. Good luck and 73 Bob N6WG -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] Behalf Of JT Croteau Sent: Wednesday, May 24, 2006 2:15 PM To: elecraft@mailman.qth.net Subject: [Elecraft] What size DC Power Plug for K1 My K1 did not come with the original DC Power Plug. I see in the parts list that J4 is 2.1mm in size. The local Radio Shack has two with an ID of 2.1mm - one they call a Size M and the other is a Size K. Anyone have a clue as to which would be the better gamble to try so I don't have to buy both? Thanks 72 de JT, W6FO ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
[Elecraft] KIO2 commands for KDSP2
I've been playing with programming TRLOG and my K2 to work together. I have several functions working well from my keyboard, but I'm looking for info on commands for the KDSP2. The current version of the KIO2 Programmers Guide only covers the KAF2 audio filter, with no info on the KDSP2. Does anyone know what commands are available for the KDSP2? Thanks and 73 Bob N6WG ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
RE: [Elecraft] re: K2 vs. the world
Elecraft K2/100 s/n 5402 put into service this afternoon (should be on the air by Monday.) Way cool, Phil. Hope to hear you on with it. 73, Bob N6WG -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] Behalf Of Phil Kane Sent: Saturday, May 20, 2006 8:25 PM To: elecraft@mailman.qth.net Subject: Re: [Elecraft] re: K2 vs. the world I guess it's my time to list ham gear in the past, not including several VHF/UHF non-ham-band receivers and scanners or the commercial Collins and Watkins-Johnson gear at work: 1-tube (6SN7GT) regenerative (ham band) receiver (Boy Scout project) Pre-WW-II Zenith AM/SW console (SWL) receiver Hallicrafters S20R Receiver ARC-5 80m CW transmitter National HRO HF Receiver SCR-522 VHF AM transceiver Gonset Communicator 2m AM receiver Tecraft 2m AM tranmitter Hallicrafter SX-101 receiver w/2m AM converter Hallicrafter HT-44 HF transmitter SBE144 2m FM transceiver ICOM IC-230 2m FM transceiver * ICOM IC-228H 2m transceiver * Kenwood R5000 HF Receiver * ICOM R-7000 VHF/UHF Receiver * ICOM IC-2710 2m/440 MHztransceiver ICOM IC-02AT 2m transceiver Azden PCS4000 2m transceivcer * Alinco DR-1200 2m transceiver * Motorola Micor 440 MHz transceiver * Ten-Tec RX320D HF Receiver * ICOM IC-2100H 2m transceiver * ICON IC-207H 2m/440 MHz transceiver * ICOM IC-2720H 2m/440 MHz transceiver ( * = in service or stored serviceable) And last but certainly not least. Elecraft K2/100 s/n 5402 put into service this afternoon (should be on the air by Monday.) -- 73 de K2ASP - Phil Kane ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
[Elecraft] KIO2 Programmers's Reference manual
Is there anyone out there who has had experience programming functions from a logging program to the KIO2/K2? I want to set up some instructions under an F key in TR LOG, and I'd like to talk with someone who has done such things. Thanks and 73 Bob N6WG ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
RE: [Elecraft] Voltmeter lost after converting XC control board tosupport KIO2
Ron Check the position of the slide switch. It gets moved sometimes and the voltmeter disappears. Good luck and 73 Bob N6WG -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] Behalf Of Ron Hahn EI2JP Sent: Sunday, April 30, 2006 7:45 AM To: elecraft@mailman.qth.net Subject: [Elecraft] Voltmeter lost after converting XC control board tosupport KIO2 Lads, I have one of the field test K2s (SN 79, current 2.04 firmware) that I've recently added a KIO2 board to. To do this I needed to perform the mods for the XC control board to make it compatible with the KIO 2 (which I have done). This included cutting one trace to the MCU pin 25, adding two new jumpers and a .001 cap. After performing the mod (and checking my work twice) I installed the KIO2 according to the instructions. Changed the sidetone, checked the voltages, and even ran the test sequence with Hyper-terminal. All worked OK. Radio works fine with TRX manager, which is also good. My problem is that I have now lost the voltmeter, although the ammeter works. So, consequently, I get LO BATT reminders every so often and the volts/current display shows 0.00V 0.3A. ! Every other aspect of the radio seems to work EXCEPT the voltmeter. I checked for shorts, bridges, etc.. and could not find any. Can anyone steer me in the right direction as I'm now at a loss as to what I could have done to break this feature. K2, Sn 0079, Firmware 2.04, XC control board K160RX KAT2 KBT2 KDSP2 KIO2 KSB2 Thanks for the help. Ron EI2JP ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
RE: [Elecraft] K2, Freq readout
Carel If you listen to WWV, or some other equally accurate signal, with no modulation, just pure carrier, you should be right on 10.000 IF you are zero beat with your SPOT tone in CW, or are zero beat in SSB mode. It is easiest to check for zero beat in ssb by switching back and forth between LSB and USB until both sound the same when there is AM modulation on the signal. Good luck and 73 Bob N6WG -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] Behalf Of pc5m, Carel Sent: Sunday, April 30, 2006 9:01 AM To: Elecraft@mailman.qth.net Subject: [Elecraft] K2, Freq readout Struggling to get the freq readout of my k2 correct (using various methods as described on w3fpr's website). Now I am doubting everything (including myself..) so, but to be sure.. What should the readout on the K2 displaying, If I had a carrier at 10.000 MHz and tune it in CW, USB and LSB to have it at 600 Hz tone (equal to my spot tone) ? Thanks in advance, Carel. ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
RE: [Elecraft] Computer control issues - unreliable firmware?
Rich I suppose it depends on what you are trying to do. Here I use TR LOG with my K2, and will shortly (as soon as I get a new(er) desktop computer) be going to SO2R with two K2s. TR will handle them just fine. Good luck and 73 Bob N6WG The Little Station with Attitude -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] Behalf Of [EMAIL PROTECTED] Sent: Thursday, March 30, 2006 6:04 AM To: elecraft@mailman.qth.net Subject: [Elecraft] Computer control issues - unreliable firmware? I recently completed my K2. I assume that it has the very latest firmware. Although it works fine with k2Remote, it doesn't work reliably with any third-party software that I've tried. I've tried the latest version of dxLab commander, HamRadioDelux, and even purchased HamStationExtreme. Comander won't even connect with the K2. HRD keeps stalling when updating the frequency display. The current release of HSE doesn't appear to work. I'm waiting for an update. As far as I can tell from research I've been able to do, there are firmware problems in the K2 that make the interface unreliable. Elecraft says they don't have any room in their program space to add any flow control. Does anyone have any information about this problem or comments about other control software? Regards Rich - KE1EV ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
RE: [Elecraft] Elecraft K1-20 - - Now Camping - Antennas
Dick Don't let just a single tree in a campsite hold you back. Use it and have fun. Drooping dipoles work just fine. When the xyl and I were camping in Oregon, there were only some rose bushes by our campsite and no trees. So I laid out my 40m dipole over the bushes, about 4 ft above ground, fired up my old HW-8 and had a number of nice QSOs. Great time, sitting at the picnic table with my lantern and a 12v lantern battery for the HW-8. Good luck and 73 Bob N6WG The Little Station with Attitude -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] Behalf Of Richard Powers Sent: Friday, March 24, 2006 8:09 AM To: Elecraft Subject: [Elecraft] Elecraft K1-20 - - Now Camping - Antennas Wow, What a support Group Thanks to all the oldsters out there who responded to my cataract problem (surgery went well yesterday by the way). Now my next question is what kind of antennas to use (mostly for 20 meters) when out camping. Here in Northeastern Illinois, most campsites have only one tree to hang a dipole on which would leave the ends to droop to the ground etc. What do most of you guys use when camping? Next question in line will be Power Supplies for the K1. Dick Powers WB9PWQ / AFA3DP ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
RE: [Elecraft] How much is the DMM used during K2 build?
Keith There are some blue resistors that sometimes need an ohmmeter check to verify their values. Seems the color bands on a blue background can sometimes be hard to read. I checked every one as I went to be sure I had the correct value. It is most useful during debug, as you guessed. Good luck and 73 Bob N6WG The Little Station with Attitude -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] Behalf Of Darwin, Keith Sent: Friday, March 17, 2006 12:12 PM To: elecraft@mailman.qth.net Subject: [Elecraft] How much is the DMM used during K2 build? Hey guys, here's the next (of many) questions. How heavily used is the DMM during K2 building? I just finished my first two mini-modules and used the DMM only a little - for resistance checks. I've scanned through the K2 manual and it looks like a DMM is used here there for resistance checks and then for some VDC checks during alignment. Is that about right? I suppose it will get used more during debug if there are issues. I believe tomorrow is the day I start the K2 building process. The static mat is all ready to go, static strap is ready, magnifying lamp is in place, solder WTCPT, tools - yep, it's all there. Fun fun fun! - Keith KD1E - ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
RE: [Elecraft] K2 Dual Recieve Plans - Comments Wanted
John I will be using a pair of K2's in a QRP SO2R configuration, very similar to what you propose. One point on muting the Rx only K2. I've seen a lot of posts trying to figure oput a way to do this, but don't recall seeing any clean approaches. Your idea of using the key jack is very clean. Just remember to put the K2 in TEST mode so you don't key the TX, and turn the sidetone down to zero so you don't have to listen to it. I use TR LOG here, and it has a key command to swap the frequency between the rigs in use, so that's how I will operate. One rig with all the antennas, and one with just a receive antenna. I will be building a bunch of bandpass filters to keep the TX out of the search RX. You can either buy your filters, or try to build them. I'll be using the filters in the July/Aug 1999 QEX article by Ed Wetherhold, W3NQN, titled Receiver Band-Pass Filters Having Maximum Attenuation in Adjacent Bands. These filters look to be very straight forward, so I'm confident I can build them. Good luck and 73 Bob N6WG The Little Station with Attitude -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] Behalf Of John Huffman Sent: Wednesday, March 15, 2006 3:19 AM To: Elecraft Subject: [Elecraft] K2 Dual Recieve Plans - Comments Wanted I would appreciate comments on my plans to use my K2 for dual receive. I'd like to use my K2 with my Ten-Tec Pegasus in a dual receive setup. I would listen with either the K2, the Pegasus, or both. I would transmit with the Pegasus. I can use N4PY software to have the Pegasus track to the frequency set by the K2. For antenna switching I would modify the Pegasus to have an AUX receiver output at the spare jack on the back of the Pegasus. Instructions are in the N4PY documentation. The instructions state that This jack is fully protected from high transmit power when transmitting. For K2 input I would build the K160M module to add a second receive port to the K2 and would use that port as input for the AUX receiver output from the Pegasus. My concerns are how to protect the K2 from getting the front end blown up by the Pegasus and how to mute the K2. I plan on hooking a dummy load to the regular K2 antenna input. I would do the Simple K2 RX mod handles extremely strong on-frequency signals from the web site which puts diodes across the IF amp. For muting the K2 I can use the Pegasus EXT T/R jack which is an open collector transistor switch rated at up to 24v and 200ma. The delay is adjustable. But, I'm stuck as to how to take that switch and mute the K2. I could connect the switch to a relay across the headphones. I could use that switch to trigger the key input of the K2 to switch the K2's internal TR switch. Neither seems like the right solution. Advice greatly appreciated. 73 de NA8M John ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
RE: [Elecraft] Band data
Jack Is there some way to decode band segment info with KRC2? I don't recall seeing anything about that when I built mine. Does it take some additional utility software to set this up, assuming it's even possible. Boy, that would sure be handy. 73, Bob N6WG -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] Behalf Of Jack Brindle Sent: Tuesday, March 14, 2006 10:11 AM To: [EMAIL PROTECTED] Cc: elecraft@mailman.qth.net Subject: Re: [Elecraft] Band data I can answer that. By far the best way to get band data is to decode the frequency returned by an IF; serial command. Having the frequency allows you quite a bit of freedom in what you do with it, especially since you can create sub bands or segments within each band. This could be useful in determining if you are at the low or high end of a band or even outside a band. It is also FAR, FAR easier to decode than the AuxBus information... Now, having said all this, probably the easiest way to deal with it it to use a KRC2, which decodes either AuxBus or serial band data for you. You just tap into the various drivers (or the BCD output terminals) and use the information directly. On Mar 14, 2006, at 9:55 AM, Jim Chick wrote: Is it possible to access K2 band data information in order to make it available in some format to control external devices?. Thanks for any help. Jim G4NWJ ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com - Jack Brindle, W6FB - ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
[Elecraft] N6WG EQP score
Station: N6WG Qs S/P/C 20m 2517 40m 11 6 ---- Tot. 3623 Score: 36 x 23 x 7 (5w) = 28,980 Rig: K2 s/n 12 Ant: 40m dipole on 20 and 40. Really crummy condx. Seemed to be a high QRN level all day. Skipped the evening session altogether. No sigs heard at all on 15m. Hope for better condx next time around. 73, Bob N6WG The Little Station with Attitude ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
RE: [Elecraft] Unused back panel holes
David Why not plug them with appropriate connectors. Seeing those idle connectors just sitting there might give you some ideas for a useful mod :-) 73, Bob N6WG The Little Station with Attitude -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] Behalf Of David Douglass Sent: Saturday, February 25, 2006 2:38 AM To: elecraft@mailman.qth.net Subject: [Elecraft] Unused back panel holes Hi All, Regarding the unused holes on the K2 back-panel.. I've been thinking about plugging these with rubber plugs, as I think the holes/green tape looks a little unsightly. I wonder if anyone has done this, and whether anyone knows a source of plugs that are suitable and the correct size. I'm specifically looking for the plugs for the 2 sets of XVTR holes, as all the rest are soon to be filled in with accessories.. Cheers David, Vk2NU ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
RE: [Elecraft] K2 RECEIVER: WHERE ARE THE SIGNALS?
Hola Manuel A suggestion. Place a dot of white paint on one end of each plug-in rework eliminator and a matching dot on the same end of the receptacle that it plugs in to. This will ensure that you always plug them in the correct way. Good luck and 73 Bob N6WG The Little Station with Attitude -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] Behalf Of Manuel Wilches Sent: Saturday, February 25, 2006 4:02 AM To: elecraft@mailman.qth.net Subject: [Elecraft] K2 RECEIVER: WHERE ARE THE SIGNALS? Gentlemen: the signals are here! I had my 160 plug-in Rework Eliminator plugged-in backwards... (my apologies to Gary and Ken!) I had looked at all headers so many times and it never looked wrong to me until Don wrote the word position in his message. The good part is, indeed these Rework Eliminators do their job. Now I can go ahead and install all options with no fear. Thank you very much indeed Don, Bob, Jim and José for your words of wisdom and guidance. I woke up this morning, saw your messages, went to the radio, change de the Header's position and my faithful GP gave me a lot of signals, and strong ones too, immediately. What a relief! Because of the header's position shall I do the whole calibration/alignment step-by-step (page 60 to page 64) procedure of PART II all over again? I am also concerned about final adjustments of L34 and L1+L2 as I have to rely on regular noise to do that. No signal generator here. The 7000 khz weak internally-generated signal is there. By the way: my good old childhood friend, José - CT1AOZ, knows my inabilities to deal with components and soldering irons since we were high school kids and he has been very worried about me hi hi Relax Zé...the K2 is coming on with a little help from my friends...Be proud old chap. 73 Manuel LU5OM CT4IK - Original Message - From: J ALBU [EMAIL PROTECTED] To: Manuel Wilches [EMAIL PROTECTED]; elecraft@mailman.qth.net Sent: Saturday, February 25, 2006 4:26 AM Subject: Re: [Elecraft] K2 RECEIVER: WHERE ARE THE SIGNALS? Hi Manuel Look and re-look for an incorrectly placed component (or a component with improper orientation) this is the most common problem Now in Portuguese... Ve os componentes pois o mais frequente é teres trocado a posição (transistors o contrário ou os diodos). Good luck Manel I'm very proud with you my good friend GOD bless you 73 de Jose CT1AOZ - Original Message - From: Manuel Wilches [EMAIL PROTECTED] To: elecraft@mailman.qth.net Sent: Saturday, February 25, 2006 3:01 AM Subject: [Elecraft] K2 RECEIVER: WHERE ARE THE SIGNALS? Greetings from Argentina. I am building K2 # 5310 I have purchased all Rework Eliminators (they were a breeze to install, by the way and are very neat indeed!) and I have all K2 options except 60 meters, i.e. 160mtrs - DSP - NB - K2/100 - SSB. I have completed part II of the RF board and the Alignment and Test, Part II. All values tested, calibrations, voltage measurements etc. were within the specs indicated in the K2 manual. During assembly of the FP and CB all tests required were also on target. I have built and used the Frq. probe, the RF probe and the N0SS probe. I do not have a signal generator or any other instrumentation. I have a DMM. All my Rework Eliminators are plugged in. The problem: the receiver has full noise (as though it worked ok) but when I connect an antenna (40 meters GP) I do not hear any signals. I heard a CP4 perhaps RST 519. Extremely weak. I tried N0SS's probe and I pick up a strong signal through all test points up to C225. I have no signal pick up there nor at C226 or C227. I did not check W6 and W1 because I did not install those jumpers (I followed the Rework Eliminators instructions that call for other steps). I do not know if there is an alternative test point for those. I have been through the usual checks for bad solders etc. I have used the proper solder and a controlled temp soldering station. I would very much appreciate your assistance and guidance. I have had the K2 on for hours now (playing with the keyer) and there has been no change. It looks great, that is for sure! Thank you very much 73 Manuel LU5OM CT4IK K2 # 5310 ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com __ Información de NOD32 1.1418 (20060224) __ Este mensaje ha sido analizado con NOD32 Antivirus System http://www.nod32.com ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft
RE: [Elecraft] folded dipole antenna
I'd like to tailgate Rick's comment. I use a 60 ft dipole made of 450 ohm window line with the conductors shorted together at each side of the feed point and at the outer ends. The idea is to create a fat dipole, compared to a single wire. I feed it with 450 ohm window line and a matching network in the shack for the bands I use it with. On 20m, it acts as nearly two half waves in phase, very good on 20m. It tunes well on 40m as you would expect. On 80m, the 2:1 swr bandwidth is only 100 kHz, but adequate for my contesting activities. I modelled the antenna with EZNEC, and just the plain dipole with tuned feeders has more gain (less loss ?) than the same dipole with loading coils to give a resonant feed on one band. Plus, with the tuned feeders, it is a three band antenna. Good luck and 73 Bob N6WG The Little Station with Attitude -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] Behalf Of Frederick Dwight Sent: Monday, February 20, 2006 11:55 AM To: [EMAIL PROTECTED] Cc: Elecraft Subject: [Elecraft] folded dipole antenna Joe, Sounds like you have a winner for an antenna. However the antenna you describe is NOT a folded dipole. It would be a folded dipole if you did not cut out the section of open wire line opposite your feedline connection. Without the section cut out your antenna would be resonant on 40 meters and would be a great performer on 40 meters, but I have no idea how it would work on other bands. Your antenna is a LINEAR LOADED DIPOLE which will be resonant around 5 or 6 MHZ. It should load well on 40 and 80 for sure since it will be resonant around 5 to 6 MHZ. The losses on linear loaded antennas can be very small, so on 80 meters I suspect it will perform nearly as well as a full size dipole, perhaps within a db or so. If you could reach the center of the dipole and jumper the cut out section, possibly, but not for sure, you might have slightly better performance on 40 meters operating in the folded dipole mode. You could set up a field strength meter with a horizontal antenna several hundred feet away and do comparison readings...the Z would be very different so you would need to re tune. Some limited space folks take your good idea one step further and make a 3 wire (or more) linear loaded antenna element. Your dipole might only be around 50 feet in length if made with 3 wires. However, there is no such thing as a free lunch. Shorter antennas have less gain. My personal rule of thumb is that a well designed antenna can be shortened up to APPROXIMATELY 50% with only minor loss of gain, but further shortening usually results in rapidly decreasing performance. Shorter antennas do suffer from greatly decreased bandwidth, however if you you use a tuner that should not be a significant factor. I know many ELECRAFTERS will take exception to my 50% rule of thumb, however non technical folks might find it a useful tool. At least be VERY suspicious of very short antennas that claim great results. Likewise antennas that are AT LEAST half size MIGHT come close in performance to a full size antenna. The 25 ft wire most of use on our KX1's with fantastic results is a short antenna on 40 meters, but still is very acceptable compromize since it is about 75% the size of a full lenght quarter wave antenna and also is an easy match for the tuner. I believe my 50% rule is OK for most simple antennas. A yagi would need to be much larger than 50% size for acceptable performance. I find it is very interesting to model antennas with an antenna modeling program. Many hams use either the EZNEC or Nittany Scientific NEC-Win Plus+ programs. Either of these NEC 2 core programs do a very acceptable job of modeling most, but not all, of the antennas hams typically use. ARRL offers an Antenna Modeling on line course, or you can buy the ARRL course textbook and work through it yourself. You do not need to be an engineer or scientist to use these courses, however you should have a good grasp of algebra and perhaps trig and AT LEAST 100 hours of time to complete the course. RickKL7CW Palmer, Alaska KX1 # 798 ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
RE: [Elecraft] K2 Relay contact resistance
Hi Stewart I have K2 s/n 12 in pretty constant use here, particularly in contests. So far as I can tell, I have no problem with the relays, either in the basic K2 or in the KAT2. Good luck and 73 Bob N6WG Teh Little Station with Attitude -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] Behalf Of Stewart Baker Sent: Sunday, February 12, 2006 4:24 AM To: Elecraft Reflector Subject: [Elecraft] K2 Relay contact resistance Having decided to join the melee trying to work 3Y0X on Peter One Island, I dusted off my FT1000MP. The only time that I use it are on occasions such as this when a separate receiver is useful when working split. I noticed that the receive sensitivity was varying on 20 40m, and traced this to the HPF board at the front of the receiver. This board contains 8 miniature relays which do the filter switching. If I tapped the board the received signal strength varied. From notes I found on the web this is a known problem where the solution is to change all 8 relays. I didn't fancy changing these small relays if there was a better solution. I remembered that the FT102 had big problems with people were changing relays by the bucket full. Yaesu don't seemed to have learned the lesson of the FT102 ! A local amateur came up with a fix which consisted of running a small DC current through the contacts to break down any oxide layer that had formed over time. This morning I modified the HPF board to run about 1mA through the contacts. 10 resistors and 2 caps later - End of problem - Fixed The big relays in the KAT100 should not have a problem, but what about the smaller ones in the K2, KAT2 ? As far a I can tell a number of these have only very small AC signals passing through them. None have any DC current flow. It took about 7 years before the problem surfaced with my FT1000MP, I would be interested in comments on whether in the same time scale I might expect to get similar problems with my Elecraft gear. 73 Stewart G3RXQ ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
RE: [Elecraft] KAF2 or KDSP2
Joe I have both the KAF2 and KDSP2. I prefer the DSP because the filter skirts are steeper, and I can get some Noise Reduction with it. Not available with the analog KAF2. Good luck and 73 Bob N6WG The Little Station with Attitude -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] Behalf Of Joseph Reed Sent: Thursday, February 02, 2006 6:53 PM To: elecraft@mailman.qth.net Subject: [Elecraft] KAF2 or KDSP2 Hi All, The build of 5226 continues and I have a question best answered by the serious cw dxers in the group. Which is the better audio filter for cw? AF dsp on ssb has left me at best luke warm. And I don't do that much ssb dxing if I can help it. So don't consider ssb in the answer. Just CW. As serious CW ops, which works better the KDSP2 or the KAF2? Both for the quick contact and for sustained listening. Thanks in advance, Joe N9JR ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
RE: [Elecraft] Noise Blanker 60m option for K2
Ah, but it has two toroids! Doesn't that make it worth while? :-) 73, Bob N6WG The Little Statiopn with attitude -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] Behalf Of Craig Miller Sent: Thursday, January 19, 2006 7:33 PM To: elecraft@mailman.qth.net Subject: [Elecraft] Noise Blanker 60m option for K2 I just finished building and installing the KNB2 andK60XV option boards. As usual with Elecraft it all went together FB and runs as advertised with no problems. I do have two complaints, however. 1. The K60XV has no toroids! What kind of Elecraft kit is it with no toroids to wind? Where's the fun in that? 2. For 120 bucks or so you only get two to three evenings of building fun. And that's stretching it, going as slowly as I could. Now what do I build? The only option left is the 160m board and that doesn't look like it would take very long to build. Help. Craig K3OOL K2 #4790 KSB2, KDSP2, KAF2, KNB2, KX60V, KPA100, KAT100, KAT2, UnPCB's I guess a KX1 is next. ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
RE: [Elecraft] KRC2 users?
Hi Tom My KRC2 is in constant use in my shack with my K2. I have a homebuilt box that does antenna switching and switches the antenna matching networks as well. I use tuned feeders on all bands except 160, so each band has to be matched separately. The KRC2 controls it all very well. I've not needed the utility to reprogram anything, so no info there. Good luck and 73 Bob N6WG The Little Station with Attitude -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] Behalf Of Tom Althoff Sent: Sunday, January 15, 2006 2:53 PM To: elecraft@mailman.qth.net Subject: [Elecraft] KRC2 users? I don't think I've seen any comments regarding the KRC2. Ever since my K2/100 booted my Orion out of the shack I have been using my Array Solutions Rat Pak auto-antenna-switch in manual mode. The KRC2 would put me back in auto-antenna mode again. If I connect the KRC2 to my K2 I assume I can control the K2 from PC software transparantly from any software package that controls the K2 now. Correct? What would the disadvantage be if I wired the KRC2 for serial control (K2 and Kenwood) vs. Aux Bus mode (K2 only)? Has the KRC2 config utility been released yet? thanks! Tom K2TA ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
RE: [Elecraft] QRP viability during solar cycle min?
Keith I run only wire antennas here with my 5w K2. Plus a 50 ft vertical on 160m. With the K2 at 5w, I have 160m QRP WAS, so you can have a lot of fun with 5w on the low bands. You do have to be a bit creative with your antennas to wring out the last drop of performance from them, but to me, that's part of the fun of ham radio. A good radio helps, too. For contesting, I would stick with the K2 over the K1. More features to work with, and access to all bands. I work all the contests, and throw my 5w in there among the big boys. Fun is where you find it. Get out there and stir something up. 73, Bob N6WG The Little Station with Attitude -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] Behalf Of Darwin, Keith Sent: Wednesday, January 11, 2006 9:20 AM To: Elecraft@mailman.qth.net Subject: [Elecraft] QRP viability during solar cycle min? K1 or K2. Hmmm, the debate continues. But wait, we're approaching a sunspot min. My antennas are pretty limited. I have a 28 foot vertical (fed with a tuner near the base) for 40 thru 15 and a dipole at 25 feet but that is about it. No towers, no high wires, no yagis. How limiting will 5 or 10 watts (even with that Elecraft Mojo) be under current conditions? Are we entering into conditions where QRP with simple antennas will become rather frustrating? Is it K2/100 time? - Keith KD1E - ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
RE: [Elecraft] Darn Dogs
Hi Joe Sorry to hear about your dog QRM there. I'm just getting started assembling #5225, with the front panel assembly now done. Last unit I built was #12!. I'm going to be watching to see what changes have taken place in the K2 since my first one. It certainly sounds like you need a new optical encoder. Perhaps Elecraft has a way you can test it before deciding you have to order a new one. Good luck. Hope to hear ytou on the air before long. 73, Bob N6WG The Little Station with Atttitude -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] Behalf Of Joseph Reed Sent: Friday, December 30, 2005 4:17 PM To: elecraft@mailman.qth.net Subject: [Elecraft] Darn Dogs Folks, A moment of your time please. My rotten Terriers made a mad dash for the window when my wife came home. I had K2 #5226 on a TV tray so I could do a Spectragram alignment of the filters. Dog 1, or it may have been a combination of Dog1 and Dog X, but they took the radio off the table. Result, optical encoder trashed. When you turn the radio on you see ELE and nothing else. Any idea why it doesn't go further? At least 5226 drew first blood today when I completed the 30m alignment and worked 4U60UN. Mojo still exists. Regards, Joe N9JR ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
RE: [Elecraft] Clever antenna tuning ideas wanted
Vic Here's an idea that I haven't seen anyone else use, but it might just do the trick for you. Lower your vertical and connect a 33 ft piece of good wire at the top. Put a good egg insulator at the free end of the wire and attach a long nylon string. When you want to work 80m, draw the wire away from the vertical until it is as horizontal as possible. When you want to work 40 or 30m, lower the wire so it is right up against the vertical. This will cancel the effect of the wire, making it as if it wasn't there. As a belt and suspenders approach, you could even put an alligator clip at the end of the wire and clip it to the bottom of the vertical when the wire is down. You will have to improve the radial system for 80m. At least get some radials that are full size for 40m. These don't have to be run straight, either. Remember the function of the radials, to collect the current radiated by the vertical and return it to the feed point. Resonant lengths collect more current because they are longer and intercept more current. A second function of the radial system is to mask the lossy ground below the radial system, thus giving the return current the lowest loss return path possible. You can do a lot to improve your setup, just by working on the radial system. You will not be adding gain, but you will be reducing losses, which will have the same effect on your signal. Hope this gives you some ideas, Vic. Good luck and 73 Bob N6WG The Little Station with Attitude -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] Behalf Of Vic K2VCO Sent: Wednesday, December 07, 2005 1:20 PM To: Elecraft Reflector Subject: [Elecraft] Clever antenna tuning ideas wanted OK, here is what I want to do: I have a 33' (10m) vertical with the base about 10' (3.3m) above ground. It has four 8' (2.4m) radials which are connected to the feedpoint through a coil which resonates the system on 7 MHz. It works as well or better than any vertical that I've used on 40m -- low SWR and good results. It's fed through a relatively short (20', 6m) length of RG-213. I would like to use it on 80m and 30m as well. My first try was to simply use the KAT100 to tune it. It tunes fine on both bands (1:1 at the rig), but results are fair-to-poor on 30 and poor-to-worthless on 80. On 30m, the coax losses are reasonable (the SWR on the coax is about 8 to 1, but it's very short). I suspect the problem is that the radial ground system is very poor on this band (on the other hand, the long vertical radiator should provide a slight amount of gain). So I may try paralleling a set of radials tuned for 30m. They will also be short, but resonated with a coil or stub. Does this sound like a good analysis/solution? On 80m, it's more complicated. The ground system is terrible, the radiation resistance of the vertical very low, and the SWR and losses on the coax very high. No wonder it's a dummy load! I guess the way to deal with it is to add more tuned radials in parallel and a switchable base network, but I would like to avoid any more control wires that have to go through my lightning suppression panel (I can't pass DC through the coax, either). Does anyone have any suggestions? -- 73, Vic, K2VCO Fresno CA http://www.qsl.net/k2vco ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
RE: [Elecraft] Ready to start, but one question...
Hi Lee I built one of the early field test K2s, so we had to add the options as they came along. Adding them is pretty trivial. In some cases, a few components to be added to the radio, or perhaps some component changed to a different value. Absolutely nothing difficult at all. I suggest you decide how you want to operate your rig when it's finished, then add the options in order of your priorities. I think the slickest option is the KAT2 internal antenna tuner, followed by the KDSP2 DSP audio filter and noise reducer. If you like to work 160m you have to add that option also, but it's just a little board that mounts in the rear of the main RF board. Anyway, just enjoy the fun of building your K2. Don't rush, because when it's done, you'll be looking around for something else to build :-) 73, Bob N6WG The Little Station with Attitude -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] Behalf Of Rockinghorse Winner Sent: Sunday, December 04, 2005 9:07 PM To: elecraft@mailman.qth.net Subject: [Elecraft] Ready to start, but one question... Hi all. I have a few extra dolars and a cold apartment, and am ready to start on my K2. However, my funds do not extend to all the extras like the KPA-100, DSP, KAT, etc... so I was interested in knowing how extensive and difficult is the retrofitting of these modules vis a vis desoldering. Thanks. LeeKI6AZS ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
RE: [Elecraft] K2 Anomaly
This must have been around a long time. I have s/n 12, and have the same thing. I just ignore it. Would be nice to have it cleared up though. 73, Bob N6WG The Little Station with Attitude -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] Behalf Of Chuck Gehring Sent: Monday, November 28, 2005 7:06 PM To: Elecraft@mailman.qth.net Subject: [Elecraft] K2 Anomaly K2 Anomaly I have experienced an anomaly; at least I think it is an anomaly on my K2. When I am rotating the VFO knob the frequency display will disappear very briefly and be replaced by my power output setting, then change back just a quickly to the frequency display. I have not been able to duplicate it with any degree of regularity; it just happens and goes back to normal. The rate of change on the VFO knob does not seem to determine when this occurs. It does not seem to have any effect on performance. Has anyone else experienced this, can anyone offer an explanation? 73, KI4DGH Chuck Gehring ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
RE: [Elecraft] KDSP2-settings for CW use
Karsten To use the NR function on cw, you need to open up the filters. The narrower the filters, whether IF or audio, the more noise pulses are stretched, and white noise begins to sound like signal. Both cases reduce the effectiveness of the NR function. I find that I get the best results with the IF filter set around 500 Hz bandwidth, and the same for the DSP filter. This gives the NR function a chance to work. So you have a tradeoff between NR versus selectivity. You have to experiment under any given conditions to see which gives you the best results. Good luck and 73 Bob N6WG -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] Behalf Of Karsten Eppert(DK4AS) Sent: Wednesday, November 23, 2005 11:51 AM To: elecraft@mailman.qth.net Subject: [Elecraft] KDSP2-settings for CW use Hi folks, has anybody experimented with the noise reduction of the KDSP2 for cw? Are there any optimum settings that one should use or are the factory settings already optimum. Up to now I´m not very much pleased with this particular feature, while the others are very helpful. Possibly I´m just using it wrong. 73 Karsten ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
RE: [Elecraft] K2: DSP for CW ?
Hello Simon I think the KDSP2 is beneficial under all conditions. It provides three features, any one of which can be important at a given moment. The most obvious one is audio filtering, supplementing the internal crystal filter. The next obvious feature is Noise Reduction, not necessarily a problem in the field, but it could be. The final feature, not always recognized, is a small amount of additional audio gain when DSP is engaged. It is set during the setup process, and can compensate for audio level lost in narrower bandwidths. I have my KDSP2 engaged when I'm out on our annual ARRL Field Day every year. Good luck and 73 Bob N6WG The Little Station with Attitude -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] Behalf Of Simon Brown (HB9DRV) Sent: Monday, November 21, 2005 9:39 AM To: Elecraft Subject: [Elecraft] K2: DSP for CW ? On behalf of a 'friend' - if you are only using the K2 for portable CW is the DSP really beneficial? He is not thinking about the 100 watt option, just the basic radio for portable use. He has the T1 ATU, are any other options essential? Simon 'Just say no!' Brown --- www.hb9drv.ch www.laax.ch ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
RE: [Elecraft] K2: DSP for CW ? - Curious
Hi Chuck I run my KDSP2 all the time, and vary the NR setting according to the noise I hear. Sometimes I get improved results by adding the Attenuator or the Preamp. It all depends on the type of noise and its amplitude relative to the desired signal. You really do have to experiment a bit to find the best settings at any given time. The tightest IF selectivity and DSP selectivity often make a big difference too. Try everything and see what works best in your situation. Good luck and 73 Bob N6WG The Little Station with Attitude -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] Behalf Of Chuck Mabbott Sent: Monday, November 21, 2005 3:41 PM To: Elecraft@mailman.qth.net Subject: [Elecraft] K2: DSP for CW ? - Curious K2 Question [cause I don't know] Past experience with 'other' DSP options and CW if I have a CW signal buried [way] down in the noise level and DSP is activated the CW signal will sometimes be cut back or disappear along with the noise. So just out of curiousity how does the K series work with respect to you can here the signal faintly amidst the noise levels? --- Chuck AA8VS Do not fear the enemy, for your enemy can only take your life. It is far better that you fear the media, for they will steal your HONOR. That awful power, the public opinion of a nation, is created in America by a horde of ignorant, self-complacent simpletons who failed at ditching and shoemaking and fetched up in journalism on their way to the poorhouse. --Mark Twain. ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
RE: [Elecraft] Computer-noise
Martin It sounds like the switching power supply is still active, even when the computer is switched off. I suggest an external switch which can be used to completely kill the computer until you actually want to use it. Good luck and 73 Bob N6WG The Little Station with Attitude -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] Behalf Of Martin Sent: Sunday, November 20, 2005 7:51 AM To: elecraft@mailman.qth.net Subject: [Elecraft] Computer-noise Hello elecrafters, today i wandered through the house carrying the battery-powered K2 with a vhf antenna connected to ŽsniffŽ for the noise i have on 80 160m. On 160m, snap-on ferrites on 2 network-cables completely removed the carriers. On 80m the problem seems to be more difficult: The noise is produced by one of 3 Computers in my buro, even when it is switched off. The other computers are quiet, also the one in the shack. The noise becomes a lot stronger when the computer is on, but only completely disappears when it is disconnected from the mains. Its a raspy carrier slowly sweeping up and down the band. Any ideas where to start? A snap-on ferrite on the power-cord helps a little, but not much. -- Best regards, Martin DM4iM, ex DL1iAQ K2 #2706 mailto:[EMAIL PROTECTED] ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
RE: [Elecraft] CW Sweepstakes contest
Hi Craig We sure welcome you back to the fold. Please post your call when you get it. I heartily recommend the K2 if you have any expectiations of getting back into contesting. It really is a kick butt radio, whether at QRP or 100w levels. I think you will get more bang for your buck out of the K2, as it will allow you to QRO if you wish, work all bands 10-160, and has an excellent computer interface to access the logging program of your choice. Had an absolute ball in the cw SS this weekend with my 5w K2. Welcome home :-) 73, Bob N6WG The Little Station with Attitude -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] Behalf Of Craig D. Smith Sent: Monday, November 07, 2005 6:45 AM To: Elecraft@mailman.qth.net Subject: [Elecraft] CW Sweepstakes contest Enjoyed reading of Elecraft owners experiences during the contest. I can offer a historical perspective. This used to be my favorite contest, as I was a CW geek (W2BHP, K2RE) and really enjoyed it even with my limited antenna setup. Got out of ham radio about 20 years ago, but am starting to get the bug again. Listened for about 8 hours with my ICOM R75 and random wire and certainly got the urge to be able to jump in again! Some comments on the top ten list: The new technology certainly makes a difference, both positively and negatively. The item that I noticed most is the continual CQ calling with limited listening by many many stations. At the risk of sounding like an old fart, back in my day we had to call CQ by hand rather than by pushing a button on the memory keyer. Now as fatigue sets in it is easier to push the button rather than listen and search the band for stations you havent worked. On the positive side, automatic antenna tuners have made the long tune-ups almost a thing of the past. I must say that in all my hours of listening, I didnt hear any objectionable tune-ups. As far as discourteous operators, etc. Id say it was not any worse or better than it was back in the old days. Mostly polite. So look for me next November with a new license and K2 or KX1! Id like to see more results here from Elecraft owners in the contest, especially QRP. I heard 75 sections here in Colorado. Craig D. Smith ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
RE: [Elecraft] ARRL November Sweepstakes CW
Hi Ci To answer your question, sure, there is plenty of room for those who want to do paper logging. I did that myself up to two years ago when I was given an ancient 33MHZ Compac laptop. I added TRLOG to it and never looked back. When doing paper logging, you need to invent some shortcuts to save a lot of manual paper shuffling. Look at the contest you will be entering and look at the exchange. Is there any part that is repetitive? Some use a signal exchange that is nearly always 599. If so, just leave it printed in your log sheet and don't try to hand enter it. For time, just enter the hour once then only the minutes for each contact within that hour. Don't log anything that isn't called for. Manual logging is a pain once you have used a computer, but it worked for all those years and still does. Just has lower throughput. With manual logging, it will be difficult to be competitive, but a QRPer in a big dogs contest really isn't anyway. My primary goals are just to beat my previous efforts in a given contest, and add some score points to my contest club's combined score. Thank goodness there are plenty of others out there to help carry THAT load :-) Don't give up, just be more selective in your goals. Enjoy. Good luck and 73 Bob N6WG The Little Station with Attitude -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] Behalf Of [EMAIL PROTECTED] Sent: Monday, November 07, 2005 8:20 AM To: elecraft@mailman.qth.net Subject: [Elecraft] ARRL November Sweepstakes CW In a message dated 11/7/05 7:39:51 A.M. Mountain Standard Time, [EMAIL PROTECTED] writes: 40+ Years of CW SSing and still LOVING IT! I am a newcomer to all of this, and I am wondering if there is any place left in contesting for those of us who choose not to have a computer send code or receive code--ie just used for logging. I am working on getting my speed up, but I couldn't participate due to my inability to copy the high speed CW used by what I assume are mostly computers sending code. Am i off-base here? I do enjoy the QRP contests I have entered since these seem to use manually generated exchanges at slower speeds (20 - 25 WPM). Thanks for any advice...Ci, WU7R ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
RE: [Elecraft] What is this??? (re: sweeps...)
Not at all, Bob. This is very definitely a technical reflector with emphasis on the Elecraft radios. However, I might point out that contesting is not just operating, it has a very technical base. Many excellent contest operators operator from stations that are very technically sound, even advanced over what many of us can realistically put together. As the mandatory Elecraft content for this msg, I just point out that more and more contesters are using Elecraft radios one way or another. I ran my K2 at 5w this weekend and a borrowed receiver to make up a sort of SO2R station, standing for Single Operator 2 Radios. Normally this would be a two transceiver setup, but the second receiver really did me gather up more QSOs. Hope to hear you trying out a contest sometime, just to see what the shouting is all about. Good luck and 73 Bob N6WG The Little Station with Attitude -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] Behalf Of [EMAIL PROTECTED] Sent: Monday, November 07, 2005 5:32 PM To: Elecraft@mailman.qth.net Subject: [Elecraft] What is this??? (re: sweeps...) I bought a K2 because it is a great rig... I joined the reflector I am only at Assembly stage 2 due to Wilma. Direct hit here. And what happens the next week end? CQWWSSB... Try passing HW during that. I did not expect 30 emails in one day about contesting I've been a ham 28 years,and there is a place for contesting. I guess I was mistaken thinking this was a K2 technical reflector. 73 de Bob K3YT ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
RE: [Elecraft] Sweepstakes CW
I will definitely be checking 15 during the day. I see we had sunspots in the low 30s yesterday, so perhaps something interesting will happen after all. See you all in the contest. 73, Bob N6WG The Little Station with Attitude -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] Behalf Of Jack Brindle Sent: Thursday, November 03, 2005 7:45 AM To: J F Cc: Elecraft Discussion List Subject: Re: [Elecraft] Sweepstakes CW Don't forget 15 meters! It was very active this past weekend. On Nov 3, 2005, at 6:40 AM, J F wrote: Plan to have my K2 (3311) running from the new QTH this weekend. May run Q on 80/40/20, most of my activity will be during the first half of the test. Hope to work a bunch of you! 73, Julius n2wn (WN2EOO in 1972) ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com - Jack Brindle, W6FB - ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
[Elecraft] Sort of SO2R contesting
Thanks to the generosity of Don, W6CZ, I have the loan of an Icom R75 receiver to try my hand at SO2R operation with my K2. I remember someone else was doing a similar thing. I'd like to exchange ideas and questions with anyone else doing this. Particularly about switching issues. Fortunately there is a little time between now and CW SS for practice and trial and error. Thanks and 73 Bob N6WG The Little Station with Attitude ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
RE: [Elecraft] K2 - 160 mtrs
Hi Bruce No, Ant1/Ant2 is for selecting two main antennas. You have a menu option for R2 On/Off, or you can program one of the two option buttons to select the R2 On/Off menu item, then just punch the top left panel button to toggle between On and Off. I find that faster than turning the knob. The K2 works very well with separate receiving antennas on 160m. I use the Flag loop here, plus a rotatable tuned loop. The Flag actually works FB through 40m. You can find a ton of Flag loop info at http://www.angelfire.com/md/k3ky/page37.html Good luck and 73 Bob N6WG The Little Station with Attitude -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] Behalf Of rattray Sent: Thursday, October 27, 2005 10:02 AM To: Elecraft Subject: [Elecraft] K2 - 160 mtrs I'm finally getting around to using my K2 on 160 mtrs - is the idea of the K2 that a separate receiving antenna for 160 mtrs can be attached to the bnc connector on the back (K160RX option) while using the regular bnc connector to connect to the 160 mtr antenna for transmitting? - one switches to the receiving antenna from the front panel using ANT1/2? - 72 Bruce. 72/73 - Bruce ve5rc/ve5qrp - QRP-C#1, QRP-L#886, A1 Operator Enter QRP-Canada's RUN with RAC contest - details - http://www.qrp-canada.com ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
RE: [Elecraft] K2 and TR-Log
Fred You should be able to select Kenwood as the radio type and have it control the K2. Good luck and 73 Bob N6WG The Little Station with Attitude -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] Behalf Of Fred Jensen Sent: Thursday, October 20, 2005 4:50 PM To: Elecraft Reflector Subject: [Elecraft] K2 and TR-Log Apparently I'm no longer a member of the TR-Log reflector although I still get their postings (??) I'll try here: What version of TR do I need to be on to get serial control of my K2? I think I'm running 6.72 and have been for a long time. The manual I have is for 6.52 and does not indicate a config item for the K2 in RADIO TYPE. If I can make this work, the K2/100 will become my station radio and at least one of the off-shore radios will hit the market. 73, Fred K6DGW Auburn CA CM98lw ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
RE: [Elecraft] KDSP2 question
This is normal, Ken. A good DSP filter has exactly the characteristics you describe. When I use Spectrogram to adjust my crystal filters, I first set the DSP to the desired bandwidth, then the XFIL, then do the adjustment until I get the best looking curve. Good luck and 73 Bob N6WG The Little Station with Attitude -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] Behalf Of Ken Bessler Sent: Wednesday, October 12, 2005 9:04 AM To: Elecraft Main Group Subject: [Elecraft] KDSP2 question Is it normal that (according to Spectrogram) my new KDSP2's filters have sharper skirts and far less ripple than the XFIL filters? I'm not talking about the denoiser or the autonotch, just the bandpass filters. Is the KDSP2 that good or are my X filters defective? Also, I'd like to hear from other KDSP2 owners as to what they have nr and nt set to. I have these values and they seem to work: nr 30 50 nt 50 00 Comments welcome 73 de Ken KGØWX - Flying Pigs #-1055 Elecraft K2 #4913 - Kadiddlehoppers #11,807 ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
RE: [Elecraft] KDSP2 question
Hi Stan You do it just the way you would without the DSP unit. First select the pitch you want to have at the center of the filter. I use about 550 Hz here. Then adjust the KDSP2 for the narrowest setting you want to use, say 100 Hz, centered on the pitch you have selected. Now do the adjustments to the crystal filter at its narrowest bandwidth until you see the most even symmetrical passband curve. Now step the DSP unit to the next wider bandwidth you want, and do the same for the crystal filter. Again adjust the crystal filter for the best looking curve at that bandwidth. Keep doing this up to the widest bandwidth of the crystal and DSP filters. For convenience I use the same bandwidth in both filters at a given selection setting--XF1=AF1, XF2=AF2, etc. Good luck and 73 Bob N6WG The Little Station with Attitude -Original Message- From: Stan Rife [mailto:[EMAIL PROTECTED] Sent: Wednesday, October 12, 2005 9:56 AM To: 'Robert Tellefsen'; 'Ken Bessler'; 'Elecraft Main Group' Subject: RE: [Elecraft] KDSP2 question Best looking curve?? Can you elaborate Bob? It has been a while since I set mine up and I have adjusted the sidetone somewhat to peak the sidetone to my hearing. I need to go in and make sure the sidetone is still in the center of the passband on the filters. I have never used Spectrogram to adjust my DSP filters. Stan Rife W5EWA Houston, TX K2 S/N 4216 -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Robert Tellefsen Sent: Wednesday, October 12, 2005 11:32 AM To: Ken Bessler; Elecraft Main Group Subject: RE: [Elecraft] KDSP2 question This is normal, Ken. A good DSP filter has exactly the characteristics you describe. When I use Spectrogram to adjust my crystal filters, I first set the DSP to the desired bandwidth, then the XFIL, then do the adjustment until I get the best looking curve. Good luck and 73 Bob N6WG The Little Station with Attitude -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] Behalf Of Ken Bessler Sent: Wednesday, October 12, 2005 9:04 AM To: Elecraft Main Group Subject: [Elecraft] KDSP2 question Is it normal that (according to Spectrogram) my new KDSP2's filters have sharper skirts and far less ripple than the XFIL filters? I'm not talking about the denoiser or the autonotch, just the bandpass filters. Is the KDSP2 that good or are my X filters defective? Also, I'd like to hear from other KDSP2 owners as to what they have nr and nt set to. I have these values and they seem to work: nr 30 50 nt 50 00 Comments welcome 73 de Ken KGØWX - Flying Pigs #-1055 Elecraft K2 #4913 - Kadiddlehoppers #11,807 ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
RE: [Elecraft] K2 opinions sought
Hello Mike Interesting idea for your big panel controls. My suggestions are separate selection and indicators for FIL1 through FIL4 and AF1 through AF4, R2 ON/OFF with indicator, a RIT control with zero center detent, TEST/CW/USB/LSB on separate buttons, ANT1/ANT2 a separate button from the TUNE function, SPLIT with an ON/OFF indicator. Some of these, where there are only two states, such as R2 ON/OFF or ANT1/ANT2, could be a single button with two indicators side by side. I hope you get lots of ideas from the group. Good luck. 73, Bob N6WG The Little Station with Attitude -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] Behalf Of [EMAIL PROTECTED] Sent: Monday, October 10, 2005 11:32 AM To: elecraft@mailman.qth.net Subject: [Elecraft] K2 opinions sought Hi, I'm in the process of designing an interface for my K2 that would bring functions, currently enabled or changed by tapping keys or holding keys, to independent controls. I am also going to bring some functions, that are enabled by navigating through the menu system, to single button/switch functions. I am doing all of this to bring a big radio feel to my small and capable K2. I would like to find out which functions you would like to see implemented with a single control. As an example, instead of tapping the mode button to select USB, LSB, or CW, I will just turn the rotary switch to the desired mode. Thanks for your input. Mike, WA1SEO K2-4778 ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
RE: [Elecraft] Poor Man's Spectrum Analyzer
Matt You could consider making a 5 dB pad that also matchs from 50 to 75 ohms. 5 dB would not sacrifice too much sensitivity, and it would be very broadband, being nothing but three resisters. Good luck and 73 Bob N6WG -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] Behalf Of Matt Osborn Sent: Sunday, October 09, 2005 7:43 PM To: elecraft@mailman.qth.net Subject: [Elecraft] Poor Man's Spectrum Analyzer The Poor Man's Spectrum Analyzer I'm building uses a varacter driven cable tuner as its front end. The cable tuner has an input impedance of 75 ohms. Most instruments have 50 ohm input impedance and my usage will be primarily with 50 ohm devices. Maybe it isn't worth worrying about, but I'm looking for a convenient way to convert from 75 ohm to 50 ohm input impedance. I've seen some writeups on building a 50 ohm to 75 ohm broadband unun, but the articles were incomplete (or my knowledge level is too low to recognize a complete article). The analyzer covers 5MHzto 500MHz. Does anybody have any advice? Leave it alone, build an unun, buy an unun, any other options? ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
RE: [Elecraft] FPLY menu selections
Chuck Some buttons are not available for the FastPlay option. 45 means just buttons 4 and 5 can be programmed. 458 means buttons 4, 5 and 8 can be programmed. 23 means 2 and 3 can be programmed. Good luck and 73 Bob N6WG The Little Station with Attitude -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] Behalf Of [EMAIL PROTECTED] Sent: Friday, September 16, 2005 9:39 AM To: Elecraft@mailman.qth.net; [EMAIL PROTECTED] Subject: [Elecraft] FPLY menu selections My K2 is working great. Even after six months I am still exploring and playing with the options. Last week I started working with the Fast Play option. I am a little confused with the selections under FPLY. The first FPLY selection 2-5 is self explanatory, memory keys 2 thru 5 are selected. However the other available FPLY options are confusing. 45, 458, and 23. Is there only one available FPLY option? What do these other FLPY menu items mean? 73 KI4DGH Chuck G. ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
RE: RE: [Elecraft] FPLY menu selections
Hi Chuck Part of the answer is history. When Wayne developed this feature, he only had a limited amount of memory to work with. With these choices, you get to keep access to some buttons that you might want to use. When they are reprogrammed to FastPlay, you lose access to the primary feature of the button. So, study the buttons used for 2, 3, 4, 5 and 8. See which ones you want to stay available, then just program the remainder for FastPlay messages. For example, I used to use 3 for the exchange message in a contest, and 4 for my call. Then 8 is my QRL? button. However, I'm into contesting fairly heavily now, and use my laptop running TR LOG for my contesting logging program. It allows me to program all my messages into the F keys across the top of the keyboard, so I seldom use the FastPlay in the K2 itself anymore. Good luck and 73 Bob N6WG -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] Sent: Friday, September 16, 2005 10:32 AM To: Robert Tellefsen; Elecraft@mailman.qth.net; [EMAIL PROTECTED] Subject: Re: RE: [Elecraft] FPLY menu selections Bob, Thanks for the reply. I guess I should have played with it some more before posting the question. I am just a little reluctant to select an option until I understand what will happen. Then again I would expect a menu selection that would appear to be more intuitive. Going in sequence with 2 thru 5 or 23, 45 makes sense. The 458 kind of catches you off guard. Why not 258? then you have keys that go right down the center. Or just make all of the available keys 23458 available. Not that I would every need or want them all. I am not complaining or recommending any changes. God knows I luv my K2 just wondering out loud. Thanks again 73 Chuck G. From: Robert Tellefsen [EMAIL PROTECTED] Date: 2005/09/16 Fri PM 12:03:51 CDT To: [EMAIL PROTECTED], Elecraft@mailman.qth.net, [EMAIL PROTECTED] Subject: RE: [Elecraft] FPLY menu selections Chuck Some buttons are not available for the FastPlay option. 45 means just buttons 4 and 5 can be programmed. 458 means buttons 4, 5 and 8 can be programmed. 23 means 2 and 3 can be programmed. Good luck and 73 Bob N6WG The Little Station with Attitude -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] Behalf Of [EMAIL PROTECTED] Sent: Friday, September 16, 2005 9:39 AM To: Elecraft@mailman.qth.net; [EMAIL PROTECTED] Subject: [Elecraft] FPLY menu selections My K2 is working great. Even after six months I am still exploring and playing with the options. Last week I started working with the Fast Play option. I am a little confused with the selections under FPLY. The first FPLY selection 2-5 is self explanatory, memory keys 2 thru 5 are selected. However the other available FPLY options are confusing. 45, 458, and 23. Is there only one available FPLY option? What do these other FLPY menu items mean? 73 KI4DGH Chuck G. ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
RE: [Elecraft] Antenna question - Balun
Yes, it can be done, Mike. Remember that the 4:1 balun will be happiest seeing an impedance around 200-300 ohms, though. The 4:1 ratio really only holds when the impedances are correct. Once you throw in a mixed load that is well away from this value, plus an unknown amount of reactance, the ratio changes and losses can mount. Not a serious concern at QRP power levels, but at 100w it could cook a balun that is seriusly mismatched. The best way to use baluns is to adjust your balanced feedline length on a given band to give very little reactance, regardless of the resistive part of the load impedance. The ATU will have an easier time matching a resistive load than one with combined reactance and resistance. The baluns will work best when the loads are resistive, even if the wrong value. When you mix in reactance, the balun will have unpredictable ratios and losses. Good luck and 73 Bob N6WG The Little Station with Attitude -Original Message- From: Mike W [mailto:[EMAIL PROTECTED] Sent: Sunday, August 21, 2005 4:03 PM To: Robert Tellefsen; elecraft@mailman.qth.net Subject: RE: [Elecraft] Antenna question - Balun On 21 Aug 2005 at 8:40, Robert Tellefsen wrote: Two things will make matching easier. Get two baluns, 1:1 and 4:1. Put them on the two antenna ports of the ATU Looking at the two versions of the BL1 for 1:1 and 4:1 Can you not use a 2pco ( dpdt ) switch or relay to change between the two ?. Commons to the two inner windings ( see BL1.pdf ). Short them for interconnect on the NO connections for 4:1 Parallel them on the NC connections for 1:1. ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
