Re: [Elecraft] K2 with 144Mhz transverter
Hi Adi, When I take a look at http://hft.fh-pforzheim.de/trxtest/Messergebnis/TRX_Messung_2_2005.xls and not the PDF, I wonder which transverter was used with the K2. The pictures http://hft.fh-pforzheim.de/trxtest/Photos_DK9IP/page_01.htm would seem to indicate that the transverter was from Elecraft. Very interesting results indeed. vy 73 de toby ___ 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] New Arrival K2 S/N 4799
Steve, W1KV, K2 #4797, wrote: . Hello everyone: Came home from work and found that my new K2 had been delivered by UPS. Thanks for all the encouragement I have received so far because I probably would never have ordered it if it had not been for the cool folks here. .. ... Ditto! K2 #4799 arrived late 03-09, as predicted. I was really amazed at the size of the packing box. It's no bigger than the K1 or KX-1 boxes. My wife thinks it's just another box of parts I ordered again.She'll be right for a short time anyhow. Now I've gotta think of a reason for all the hours I'm hiding out in the radio room/shack! I think the smell of solder will be a give-away though. See ya'll. Thanks Pam and Lisa. 73, John, KD5EJA, Long Beach, MS, K1 #679, KX-1 #479, K2 #4799 (couldn't wait for #4879!) ___ 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
EQP_2004.exe (Re: [Elecraft] Yes! EQP-2005 is this weekend)
Hi Gus, Thanks for the offer. I built the programm rather quickly at the time, and am aware of the weaknesses of some of the methods used. If I do a proper rewrite, then I would consider going to .NET, especially now that Mono http://www.go-mono.com/ and DotGNU http://dotgnu.org/ are well underway. DotNet might be a good base technology for an Open Source contest log programm, which can run on many platforms. As nice as Java is, I can not speak Java, and it tends to be rather slow. I used PureBasic, because compilers exsist for AmigaOS, Linux, Windows, there is a beta for MacOS, and PureBasic is inexpensive. The EditorGadget seemed to be an easy way to store the data, so that the operator could correct errors. It turns out that this (up to now) does not work as well as I hoped it would. Reducing the overhead of the tags is one thing which would have to be done, and linked lists for stuff like dupe checking. Nonetheless, sooner or later the EditorGadget will cause problems. This may be fixed in PureBasic 4.xx. Currently PureBasic is at 3.93 on windows. vy 73 de toby ___ 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 with 144Mhz transverter
OK...now I'm getting really angry HI HI :))... First the transmitter (easy one) I made a measurment with my HP8590A of the transmitted signal from K2 to transwerter (signal after the first buffer). When i moove 100 KHz away from carier there is -73dBc of signal remaining. After a little bit of conversation with local gurus probably this not to good number (compared dBc's of other same 1.st class rtx's are -90 to -100dBc) Is it possible to improve K2's local osc noise and purity??? Thank's Adi mit VV is a german term for with preamplifier. ohne VV is without preamplifier. For the bad data you have to know, every K2 is very special. Do you know, how well the allignement of the basic K2 was done? And the transverter: was it well build and is everything ok? 73 de DH8DAP, Frank from Schwelm nr Cologne, JO31PG (working on K2 #4770) And the link to measurments page: http://hft.fh-pforzheim.de/trxtest/Messergebnis/TRX_Messung_2_2005.pdf I dont know what does it mean K2 mit VV (K2 with? maybe Vor Verstarker) Still noone want to comment? K2 is top preformance rtx and should show better numbers Or not? S55M-Adi - Original Message - From: S55M [EMAIL PROTECTED] To: Elecraft elecraft@mailman.qth.net Sent: Thursday, March 10, 2005 2:04 AM Subject: [Elecraft] K2 with 144Mhz transverter Please some comments: I had information that DK8SG measured some HF transcievers K2 included with 2m transverter and got this data for K2: NF 6dB, IP3 -26 dBm and TX noise at least 10dB greater than FT1KMP. For those who r not familiar with this data I can only say that are badbut how??? I suppose the transverter was always the same. Why? How? TNX for answers... S55M-Adi ___ 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] suggestions for EQP practice
May I suggest that we try to make the EQP contest unique among current contests by attempting to give actual (meaningful) signal reports. Because of the association of this content with QRP, the wholesale use of 5nn seems really quite out of place. It will also be good practice to those who haven't fully come to grips with the proper use of RST reports to learn to make snap judgments about a proper report. Those snap judgments are usually pretty good, often better than ones that get deeper consideration. And if you are looking to find a way to make up for the little bit of time it takes to give an honest report, consider adopting, in place of sending K2 nr 4321 or K1 nr 548 simply 2/4321 or 1/548. Looking forward to getting some new s/n's, (there aren't any more states) dave belsley, w1euy, 2/744 ___ 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] SOC (Second Class Operator's Club) Marathon Sprint
I'll be participating in both the SOC Marathon Sprint and Elecraft QSO Party as W0SOC (N4BP op) SECOND CLASS OPERATOR'S CLUB (SOC) MARATHON SPRINT _ Most sprints run four hours, but since we're Second Class Op's, we need more time! Date/Time: March 12, 2005, 1800Z through 2400Z Exchange: Member - RST, State/Province/Country, SOC Number Non-Member - RST, State/Province/Country, Power Out QSO Points: Member = 5 Points Non-Member, Different Continent = 4 Points Non-Member, Same Continent = 2 Points Multiplier:SPC (State/Province/Country) total for all bands. The same station may be worked on more than one band for QSO points and SPC credit. Power Multiplier: 0 - 250 MW = X 15; 250 MW - 1 Watt = X 10; 1 W - 5 W = X 7; Over 5 W = X 1. Suggested Frequencies: 160 Meters 1810 KHz 80 Meters 3560 KHz 40 Meters 7040 KHz 20 Meter 14060 KHz 15 Meters21060 KHz 10 Meters28060 KHz Score: Points (total for all bands) X SPCs (total for all bands) X Power Multiplier Apply an additional multiplier of 1.5 if using a homebrew paddle (kits such as the NorCal / K8FF paddle qualify). All entries are Multi-Band to promote maximum participation. Entry includes a copy of the log and a separate summary sheet. Indicate total time-on-the-air, and include a legible name, call, SOC Number (if any) and address. All entries must be received within 30 days of the contest date. Late entries will be counted as check logs. Members and non-members indicate their output power for each band. The highest power used will determine the power multiplier. Output power is considered as 1/2 of input power. Include a description of homebrew equipment (including paddle or key), commercial equipment, and antennas used with each entry. Results may be posted on QRP-L and on the SOC Website. The final decision on all matters concerning the contest rests with the contest manager. Entries are welcome via E-Mail to N4BP mailto:[EMAIL PROTECTED], or by snail mail to: Bob Patten, N4BP 2841 N.W. 112 Terrace Plantation, FL 33323 -- 73, Bob Patten, N4BPPlantation, FL E-Mail: [EMAIL PROTECTED] Website: http://www.qsl.net/n4bp QRP ARCI #3412SOC #1ARS #799Whiners #6 FISTS #7871 ___ 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] Re: suggestions for EQP practice
David wrote: May I suggest that we try to make the EQP contest unique among current contests by attempting to give actual (meaningful) signal reports. Because of the association of this content with QRP, the wholesale use of 5nn seems really quite out of place. It will also be good practice to those who haven't fully come to grips with the proper use of RST reports to learn to make snap judgments about a proper report. Those snap judgments are usually pretty good, often better than ones that get deeper consideration. I agree with your suggestion of giving meaningful signal reports. I'd stay away from a shorthand report of serial number, though, because it might confuse someone casually dropping into the contest. The extra K and SN will take a small percentage of actual operating time. Regarding your final comment: Looking forward to getting some new s/n's, (there aren't any more states) I live in Northern Californis, which by all rights should be declared #51 ;) 73, Wayne N6RK --- 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] Re: Any update on T1 shipments
On Mar 9, 2005, at 8:22 PM, [EMAIL PROTECTED] wrote: Saw the 100W torture test. How long did it last before it fried? We didn't key down long enough to fry it. 10 or 20 seconds gets the transformers really warm, and they will require about that long to recover before you can do further auto-tuning. Hopefully we won't see a rash of people doing destructive testing of their T1s ;) We're still on track as of now for the shipping dates mentioned on our web site. 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
Re: [Elecraft] T1 and 50' end fed.
On Mar 9, 2005, at 8:14 PM, Glen Torr wrote: Just ordered my T1 and was interested in the disposition and ground system of the 50' end-fed Wayne uses with no feed line, sounds really applicable to my home situation. I will be using it with my KX1. Hi Glen, I do a lot of experimenting with antennas, but the one antenna that is always up is the 50' random wire. I don't use feedline with it, so it's limited to QRP use. It goes from my lab bench to a window about 5 feet away, through a slot in the bottom of the aluminum frame (made with a round file and insulated with a plastic tube), up to the roof (with some standoffs), then up at a 60-degree angle to a tall pine tree. The ground system that is always available is the house electrical ground -- not the best thing to use from a noise or efficiency standpoint. Now you know why I have to operate portable most of the time ;) I actually have two tall trees available, and plan to install a long, off-center-fed sloper some day. I'll feed it with balanced line and use a balun at the tuner(s). This is likely to be a better antenna both in transmit and receive modes. 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] KAT100 Tuner and a Longwire
I am not sure that this has been discussed before on the reflector, but will the KAT100 tune a longwire? Really, it should, but how does one connect the longwire to the tuner? Banana plug to the center pin with the counterpoise clipped to the ground lug? That is what I did with the old DX-40...but that was 40 years ago. Comments to such a dumb question? Lee - K0WA Common sense is in short supply - get some and use it - Lee Buller ___ 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] Re: KAT100 Tuner and a Longwire
On Mar 10, 2005, at 9:17 AM, Lee Buller wrote: I am not sure that this has been discussed before on the reflector, but will the KAT100 tune a longwire? Yes. You can connect it directly to the ATU using a binding-post adapter, or just wire up a PL-259's center pin to an alligator clip or to the wire itself. Counterpoise goes to the ground lug -- use a very high-quality ground to maximize transmit efficiency. (House electrical ground is marginal from both all angles -- noise, efficiency, and safety.) A better alternative than direct feed is to use balanced feedline (and a low-loss 4:1 balun such as our BL1 at the tuner) to get the radiating part of the antenna *out* of the shack and away from computers, kids, pets, TVs, portable phones, etc. If you use a random wire without feedline, you'll likely have to stick with QRP power levels to avoid RFI. 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
Re: [Elecraft] KAT100 Tuner and a Longwire
Lee Buller wrote: I am not sure that this has been discussed before on the reflector, but will the KAT100 tune a longwire? Really, it should, but how does one connect the longwire to the tuner? Banana plug to the center pin with the counterpoise clipped to the ground lug? That is what I did with the old DX-40...but that was 40 years ago. You can do this. I would avoid lengths of wire that are an exact multiple (within about 6 inches or so) of a half wavelength on one of the frequencies on which you want to operate, since the impedance will be very high under such conditions and may be difficult to match. Good counterpoise lengths are odd multiples of a quarter-wavelength. Remember that the end of the counterpoise will be at high RF potential. If the counterpoise is ineffective, you may have the well-known RF-in-the-shack problem. Another issue is that the antenna will be very prone to pick up noise from computers, monitors, etc., that are nearby. Someone will probably say something about RF exposure. I believe that at HF and KAT100 power levels there is no a safety problem. According to the calculator at http://n5xu.ae.utexas.edu/rfsafety/, assuming 50% duty cycle, 0 DBd gain, 100 watts at 28 MHz, (this works for either 50 watts RTTY/PSK or 100w SSB/CW), and a distance to the center of the antenna of 7 feet, you are cool according to the [flame on] ridiculous, lawyer-driven, idiotic, stupid [flame off] FCC requirements. -- 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] K2 with 144Mhz transverter
Hi Adi, There must be something wrong with your K2 or measurement set up. As can be seen from the phase noise plot on our web page (under radio comparisons) the K2 TX signal is better than -130 dBc when you get 10-20 kHz away from the carrier. Also, what b/w and span were you using on your 8590 analyzer? On the receive side the XV and K2 pair are among the best out there. I do not know what was different about his set up. 73, Eric S55M wrote: OK...now I'm getting really angry HI HI :))... First the transmitter (easy one) I made a measurment with my HP8590A of the transmitted signal from K2 to transwerter (signal after the first buffer). When i moove 100 KHz away from carier there is -73dBc of signal remaining. After a little bit of conversation with local gurus probably this not to good number (compared dBc's of other same 1.st class rtx's are -90 to -100dBc) ___ 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] K2 S/N 4787 in Progress
Hi Everyone, First, my thanks to everyone for all their help with this odyssey. I've completed the 40 meter alignment in part III of the RF board. At 10 watts the K2 is consuming 2.1 to 2.2 amps. Starts about 2.1 and after about 10 seconds works up to about 2.2 amps. I've used an external amp meter and the two agree closely. The specs are 1.8-2.0 amps with instructions to troubleshoot if much above 2 amps. For 5 watts 1.64 amps are consumed. Spec is 1.3-1.6 with a note that it may be higher than expected. I've rechecked the insulator on Q7 and Q8. Their collectors are 3.8k ohms to ground. Is this a phantom or do I have a real problem? The S-meter is normally about S8 and pegs right when an antenna is connected. I have re-calibrated it twice and did another visual on the solder. Any thoughts. The PLL range was 9.4khz. That is below published spec but there is more than one email on the reflector from the Elecraft staff indicating down to 9.1khz is okay. Other than a masking situation on the covers everything has been fine. Some assembly steps could have been organized a bit better IMHO. I'm still not completely sure about the capacitors as I haven't aligned all bands yet. I've had to correct some of my own mistakes including verifying the reverse polarity diode works as advertised. Thanks again and have a great day. Jim, AB0UK __ Do you Yahoo!? Yahoo! Small Business - Try our new resources site! http://smallbusiness.yahoo.com/resources/ ___ 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] QRO Power Supplies
From: Pete Norman, g0pks. I've come across some very neat, physically small, switch mode power supplies, rated at 23A. Is the general consensus that these are A Good Thing or To Be Avoided At All Costs? I'll be needing to equip myself with something soon (I hope) and any advice would be helpful. Regards to all. Pete. ___ 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: Looking for Linux experts
My *guess* is to change the printcap entry so that sh=true. I haven;t played with this kind of thing in a long time, but here's a relevant piece of man page (from FreeBSD) showing the default value. sh bool false suppress printing of burst page header remote:\ :cm=lpdfilter method=raw color=yes:\ :[EMAIL PROTECTED]:\ :sd=/var/spool/lpd/remote:\ :lf=/var/spool/lpd/remote/log:\ :af=/var/spool/lpd/remote/acct:\ :ar:force_localhost@:\ :tr=:cl:sh=true:sf: -- It takes brains. It's not like forward, where you can get away with scoring and not play defense... On defense you have to be thinking. ---Chris Chelios David M. Katinsky [EMAIL PROTECTED] N2RDT From: Martin [EMAIL PROTECTED] Reply-To: Martin [EMAIL PROTECTED] Date: Thu, 10 Mar 2005 19:10:52 +0100 To: elecraft@mailman.qth.net Subject: [Elecraft] OT: Looking for Linux experts Hello elecrafters, sorry for off topic bandwidth: Have a problem when printing via Windows-Client - Samba/Linux - Printserver. After printing, an additional page with the owner of the printjob and some other details on it is printed out. How can i switch this off? Suse Linux 8.0 (the culprit) Printserver SMC ABR 7004 (not of any importance, but...) /etc/printcap : remote:\ :cm=lpdfilter method=raw color=yes:\ :[EMAIL PROTECTED]:\ :sd=/var/spool/lpd/remote:\ :lf=/var/spool/lpd/remote/log:\ :af=/var/spool/lpd/remote/acct:\ :ar:force_localhost@:\ :tr=:cl:sh:sf: -- Best regards, Martin 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] QRO Power Supplies
I use a 23A switch-mode Samlex, and I'm very happy with it de John/W1RT On Thu, 10 Mar 2005 18:36:21 -, ANNE NORMAN [EMAIL PROTECTED] wrote: From: Pete Norman, g0pks. I've come across some very neat, physically small, switch mode power supplies, rated at 23A. Is the general consensus that these are A Good Thing or To Be Avoided At All Costs? I'll be needing to equip myself with something soon (I hope) and any advice would be helpful. Regards to all. Pete. ___ 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] QRO Power Supplies
On Mar 10, 2005, at 1:36 PM, ANNE NORMAN wrote: From: Pete Norman, g0pks. I've come across some very neat, physically small, switch mode power supplies, rated at 23A. Is the general consensus that these are A Good Thing or To Be Avoided At All Costs? I'll be needing to equip myself with something soon (I hope) and any advice would be helpful. Regards to all. Pete. Wow, 23A...just how QRO are you going to go? Is this for use with the K2/100? Isn't that a lot of amps? I was looking at a Pyramid 5A or something along that line. -Signed, curious and ignorant kb8nmz ___ 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] hamfest this weekend
Lisa posted a list of March and April hamfests but missed at least one: This weekend - Sunday March 13 - the Vienna (VA) Wireless Society Winterfest at the Annandale Campus of Northern Virginia Community College - 8333 Little River Turnpike, Annandale VA Tailgate and indoor - admission $6. VE exam session Saturday, same location. Talk-in on 146.91 (-). More info at http://www.viennawireless.org/winterfest.php 73 Ray K2HYD ___ 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 with 144Mhz transverter
Hy Eric! Thanks for Your answer. The measurment setup is : VBW 100Hz RBW 10kHz Span 500KHz Any ideas what went wrong Adi - Original Message - From: Eric Swartz - WA6HHQ, Elecraft [EMAIL PROTECTED] To: S55M [EMAIL PROTECTED] Cc: Elecraft elecraft@mailman.qth.net Sent: Thursday, March 10, 2005 6:53 PM Subject: Re: [Elecraft] K2 with 144Mhz transverter Hi Adi, There must be something wrong with your K2 or measurement set up. As can be seen from the phase noise plot on our web page (under radio comparisons) the K2 TX signal is better than -130 dBc when you get 10-20 kHz away from the carrier. Also, what b/w and span were you using on your 8590 analyzer? On the receive side the XV and K2 pair are among the best out there. I do not know what was different about his set up. 73, Eric S55M wrote: OK...now I'm getting really angry HI HI :))... First the transmitter (easy one) I made a measurment with my HP8590A of the transmitted signal from K2 to transwerter (signal after the first buffer). When i moove 100 KHz away from carier there is -73dBc of signal remaining. After a little bit of conversation with local gurus probably this not to good number (compared dBc's of other same 1.st class rtx's are -90 to -100dBc) ___ 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] Re: KAT100 Tuner and a Longwire
Lee, If you search for Elecraft on eBay you'll see a person offering (a regular item), a kit that consists of two binding posts connected to a BNC for easy connection of long wire to the K2. The kit also includes wire for an antenna and counterpoise, plus a large Hex Nut and line to toss over a tree branch. I think the price was between $10 and $15.00. 73, Paul ___ 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] ECN/30 Tonight
Just a little reminder that ECN/30 will be held this evening. 10115 +/- 2 at z (7E/6C/5M/4P) 73, Daniel AA0NI Oklahoma City ___ 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] amp keying question
So, having tried and not succeeded, does anyone have a circuit suggestion to tie in with the External PA Key jack on the kpa100? I need for it to key a 12 volt relay, so I can use it with my heathkit. Some how, Im missing it __ Dwight AI4II __ ___ 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] K2 4 MHz reference oscillator calibration
I need to calibrate the reference oscillator in my K2. Don't have any test equipment so I'll need to do it against WWV at 10 MHZ using the N6KR method. I'm a little confused as to how to zero beat the WWV carrier as it instructs me to. The instructions say to zero beat the carrier precisely, or adjust the VFO for best quality on a voice signal. So, assuming these are both happening at the same time (if they're going to produce the same result) if I have the voice tuned correctly (using USB or LSB mode), I can't hear the carrier, so how can I zero beat it? What am I trying to zero beat the carrier against anyway? Also isn't the voice reception dependent on the BFO setting of the filter? My filter settings are not yet optimized, I was planning on doing that after doing the reference oscillator. I'm confused about all these points. I've also read AB9GV's notes on W3FPR's web page, and I think they just confused me even more. Can anyone shed some light on this for me to make it a little more clear? Thanks. -Ben KB1AHR ___ 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 4 MHz reference oscillator calibration
Ben, I believe you may be misinterpreting what is meant by 'zero-beat'. What it really means is to place the transmit frequency at the same place as the signal that you are receiving. More details on just how to accomplish that in a transceiver when you are moving both the transmit and receive frequencies if you ask about that specifically (you move the receiver to accomplish that feat) - but now on to how to properly tune WWV -- You can get close by listening to the voice announcements, but that is only roughly close but for adjusting the reference, you want to be REALLY close. WWV's transmitting format says that they transmit 500 Hz and 600 Hz tones on alternate minutes - and that is the fact that I use. I crank up Spectrogram on the computer and set one Spectrogram marker to 500 Hz and another to 600 Hz - of course, I have the K2 audio output connected to the soundcard input and the sound comes out of the computer speakers - and I wait a while looking for the tones to line up with the Spectrogram markers. If you are in a place where you can receive both WWV and WWVH, you are fortunate because you will see both tones, when WWV transmits 500 Hz, WWVH transmits 600 Hz, etc. If you happen along during one of the quiet minutes, you will just have to wait, but you can get a good indication af where you are from the 1000 Hz tone that is transmitted for one second at the start of each minute. Folks with perfect pitch will be able to tune it correctly almost instantly without the aid of Spectrogram, but those of us who lack that gift must resort to non-auditory aids such as Spectrogram. Once you are receiving the WWV 500 and 600 Hz tones at those audio frequencies, you are at the 'zero beat' frequency. and you can then follow the N6KR method easily. If that was not adequately clear, sned me a note off-reflector and we can straighten it out. 73, Don W3FPR -Original Message- I need to calibrate the reference oscillator in my K2. Don't have any test equipment so I'll need to do it against WWV at 10 MHZ using the N6KR method. I'm a little confused as to how to zero beat the WWV carrier as it instructs me to. The instructions say to zero beat the carrier precisely, or adjust the VFO for best quality on a voice signal. So, assuming these are both happening at the same time (if they're going to produce the same result) if I have the voice tuned correctly (using USB or LSB mode), I can't hear the carrier, so how can I zero beat it? What am I trying to zero beat the carrier against anyway? Also isn't the voice reception dependent on the BFO setting of the filter? My filter settings are not yet optimized, I was planning on doing that after doing the reference oscillator. I'm confused about all these points. I've also read AB9GV's notes on W3FPR's web page, and I think they just confused me even more. Can anyone shed some light on this for me to make it a little more clear? ___ 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] K1 Swtiching Band Boards
The Elecraft Web site indicates its a simple operation to switch from the 2 band to 4 band boards, to give you all 6 bands. How many people really do this ? I just bought a used K1 and it has a 4 band installed and a extra 2 band board, it sure doesn't look that easy, mine has the antenna tuner too. Bob ___ 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] Something you already knew - K2 firmware settings
This is something you probably already knew. The manual for the K2ATOBKT conversion kit which can be found at: http://www.elecraft.com/manual/k2a2binstr.pdf has a couple of pretty neat charts on pages 2 and 3. The purpose of these charts is to manually record all of your firmware settings so that you can easily re-enter them if need be after making the A to B mods. I printed these charts out and filled them in so I'll have them handy to refer to in the event something goes whacky and I lose the settings. I found these particularly helpful with the BFO CAL FIL settings. But you probably already knew that. 72 de Tom, WB2QDG k2 1103 ___ 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] KSB2
Hello, I recently purchased a k2 wth kaf2, ksb2 and knb2. Well, it seems good except I cannot get any transmit drive on ssb. It easily puts out 10 watts in cw on all bands, but barely goes 500 mw on ssb. I tried all the settings for ssba and ssbc and still no change. I ran the voltage checks, and rather than relist the whole table, here is what is different then spec: rxtx u1-2 6.0 6.0 u1-3 2.15 2.15 u1-6 5.64 0 u1-15 0 5.93 u1-215.68 0 u1-25 0 .7 u1-28 5.72.4 u2-1 6.0 6.0 u2-2 6.0 6.0 u2-5 .48 .48 u2-8 6.0 6.0 u4-4 .48 .48 u4-6 5.620 Other than those, the rest are within .1 volt of spec. The diodes all check out fine too. It is as if there is no alc. If someone could point me in the right direction to check, that would be appreciated. It is serial no 2534, mcu 2.01h and ksb 104. Apparently it was working before shipping, but when I received it, the filters were quite far off. Now they are fine but opt1, the ssb filter, is much quieter then the other settings. That seems like it may be related to the low alc. 73, David AA9PZ ___ 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] K1 Swtiching Band Boards
ROBERT PHILLIPS wrote: The Elecraft Web site indicates its a simple operation to switch from the 2 band to 4 band boards, to give you all 6 bands. How many people really do this ? I just bought a used K1 and it has a 4 band installed and a extra 2 band board, it sure doesn't look that easy, mine has the antenna tuner too. Bob, I've got a K1 with a 4 band board (40, 30, 20 and 15 meters) and a 2 band board with a slight mod to put it on 160 meters as well as 80 m. It really doesn't take all that long to change the two boards (and I have the antenna tuner as well) and it's pretty obvious which one should be in given the time of day. With practice, it's pretty easy to do -- give it some tries! 72, Joe, W2RBA K1 #1005 K2 #1299 KX1 #0020 ___ 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: Looking for Linux experts
I think that the ':sh:' entry takes care of this??? Maybe he should post the relevant parts of the smb.conf file. Using CUPS, lprng, apsfilter, etc??? This stuff can get pretty complicated. Printing under Linux used to be pretty easy. On Thu, 10 Mar 2005, David M. Katinsky wrote: My *guess* is to change the printcap entry so that sh=true. I haven;t played with this kind of thing in a long time, but here's a relevant piece of man page (from FreeBSD) showing the default value. sh bool false suppress printing of burst page header remote:\ :cm=lpdfilter method=raw color=yes:\ :[EMAIL PROTECTED]:\ :sd=/var/spool/lpd/remote:\ :lf=/var/spool/lpd/remote/log:\ :af=/var/spool/lpd/remote/acct:\ :ar:force_localhost@:\ :tr=:cl:sh=true:sf: -- It takes brains. It's not like forward, where you can get away with scoring and not play defense... On defense you have to be thinking. ---Chris Chelios David M. Katinsky [EMAIL PROTECTED] N2RDT From: Martin [EMAIL PROTECTED] Reply-To: Martin [EMAIL PROTECTED] Date: Thu, 10 Mar 2005 19:10:52 +0100 To: elecraft@mailman.qth.net Subject: [Elecraft] OT: Looking for Linux experts Hello elecrafters, sorry for off topic bandwidth: Have a problem when printing via Windows-Client - Samba/Linux - Printserver. After printing, an additional page with the owner of the printjob and some other details on it is printed out. How can i switch this off? Suse Linux 8.0 (the culprit) Printserver SMC ABR 7004 (not of any importance, but...) /etc/printcap : remote:\ :cm=lpdfilter method=raw color=yes:\ :[EMAIL PROTECTED]:\ :sd=/var/spool/lpd/remote:\ :lf=/var/spool/lpd/remote/log:\ :af=/var/spool/lpd/remote/acct:\ :ar:force_localhost@:\ :tr=:cl:sh:sf: -- Best regards, Martin 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 ___ 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] filter alignment question
I recently acquired K2 #1084 from a friend. I upgraded the radio to Rev. B, added the DSP module and am about half way through the KPA100. As I was aligning the filters I noticed something unexpected. Everything seems to be fine except that as I scroll through the CW XFIL filters, the tone of the test signal changes slightly. Is this to be expected? Is it possible to get the tone exactly the same for every filter setting or is a slight variation normal? The DSP was in bypass while alignment on the XFIL filters was done. The K2 is a wonderful little radio. It sits on top of an OMNI 6+. Its a tough decision lately which one to use, hi hi. ___ 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] filter alignment question
If the tone pitch change is 20 Hz or less it is because of the quantizing error in the K2 and nothing can be done about it. The K2 firmware works to preserve the pitch no matter where the filters are set as long as the signal is anywhere within the filter passband. 73, Don W3FPR -Original Message- I recently acquired K2 #1084 from a friend. I upgraded the radio to Rev. B, added the DSP module and am about half way through the KPA100. As I was aligning the filters I noticed something unexpected. Everything seems to be fine except that as I scroll through the CW XFIL filters, the tone of the test signal changes slightly. Is this to be expected? Is it possible to get the tone exactly the same for every filter setting or is a slight variation normal? The DSP was in bypass while alignment on the XFIL filters was done. The K2 is a wonderful little radio. It sits on top of an OMNI 6+. Its a tough decision lately which one to use, hi hi. ___ 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] filter alignment question
KT5D asked: Everything seems to be fine except that as I scroll through the CW XFIL filters, the tone of the test signal changes slightly. Is this to be expected? Is it possible to get the tone exactly the same for every filter setting or is a slight variation normal? Yes, it is normal to have a slight variation although sometimes you get lucky and it will be zero. What's happening is that when you select a filter (FL1thru 4) digital data is being recalled from memory that is converted into an analog voltage that tunes the BFO and VFO to the right frequencies. The accuracy with which the analog voltage is generated is limited by the Digital-to-Analog Converters (DACs). The DACs in the K2 provide a resolution of about 30 Hz. That is, the frequency can be as much as 30 Hz different from the value that was originally set when the filters were aligned. What you need to do to get it closer, if you can, is to repeat the filter alignment procedure in the manual. Actually, you don't need to repeat the whole setup, but simply cause the system to re-store new digital data for the current settings. Information on now to do this is included in the Builders Resources on the Elecraft web site. You may get a closer match or, if you are already within 30 Hz, it might not be quite as good! 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
