RE: [Elecraft] still have a problem.... still TX on power on --K2
Sorry to come in this thread so late. Missed it because of a holidays. Jean-Francois, I had the same thing about a year ago and had to replace the main control processor and the sub processor on the ssb board. They share the ptt line that is directly connected to mic - jack without any protection or buffering. When I connected some things to the mic jack (for afsk operations) I blew up the ptt line because the line for the ptt came from a computer which did not share the ground connected with the k2 (yet). Bingo! (Never had the problem with other transceivers. Well, they do not take a microprocessor line directly to the outside of the trx.) 73 Arie PA3A ___ 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 S meter
This is a subject which has been referred to in several recent postings. The S meter in my K3 reads typically S5 as a minimum on SSB and S3 on CW (selectivity 400Hz) on band noise, that is in the absence of a signal. When disconnecting the antenna the S meter reverts to no reading. It is a fact that the band noise is not for example S5 - and my FT1000MP MKV and TS2000 read S0 or S1 in the same situation. In my view the K3 S meter is simply far too sensitive at the lower end. I can make it read S1 on band noise by fiddling with the various settings. However this then means that an S9 signal will read S5 or somesuch low reading. A friend of my who lives nearby has a similar situation with his S meter and I suspect it is typical of the K3 generally. Wayne/ Eric please can you look into a fix for the next firmware update. Barry Simpson VK2BJ ___ 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] KRX3 in action
good morning, the KRX3 arrived and I installed it yesterday. After doing the VCO calibration and filter settings it is working fine. I have observed two things that are not clear to me so I wanted to ask if this is the same at your K3's. When I switch SUB on and I have the antenna shared between the main RX and the sub RX and both are exactly on the same frequency I can hear a strange stereo sound in the headphones. It sounds like the signal is moving in my head from left to right. It reminds me to a zero beat at about 1 hz. Is this normal? Second: I have a relative strong birdy (S3-4) at 7120 khz which is microfoning when I tap on the K3. It is only present in USB! There is another one with lower intensity (S1) at 14.185 - no microfoning when I tap. The birdy on 6m that I had befor I added the KRX3 has disappeared completely here. 73! de Werner OE9FWV -- You cannot kill time without injuring eternity.-- Thoreau Email powered by Pegasus Mail free at http://www.pmail.com Homepage: http://www.qsl.net/oe9fwv/ Fone +43 5522 75013 Fax +43 820 555 85 2621 Mobile +43 664 6340014 Elecraft K2 #5203 K3 #656 ___ 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] KRX3 in action
Congratulations. The frequency offset is perfectly normal. It is related to the synth and any filter offsets. With matched filters it is a very low beat frequency that can be a little disturbing on stronger signals. A greater offset might be better and could aid in detecting weak signals. You could get that my offsetting one of the filters a tad. I found a birdie just below 50.05 MHz while looking for our beacon. It is not too strong. Such things are inevitable unless you want to add 20kg of screening materials. An unlocked birdie might be a spurious oscillation problem. Did you ensure the cables are as far away from the VCO cores as possible? Mike oe9fwv wrote: good morning, the KRX3 arrived and I installed it yesterday. After doing the VCO calibration and filter settings it is working fine. I have observed two things that are not clear to me so I wanted to ask if this is the same at your K3's. When I switch SUB on and I have the antenna shared between the main RX and the sub RX and both are exactly on the same frequency I can hear a strange stereo sound in the headphones. It sounds like the signal is moving in my head from left to right. It reminds me to a zero beat at about 1 hz. Is this normal? Second: I have a relative strong birdy (S3-4) at 7120 khz which is microfoning when I tap on the K3. It is only present in USB! There is another one with lower intensity (S1) at 14.185 - no microfoning when I tap. The birdy on 6m that I had befor I added the KRX3 has disappeared completely here. 73! de Werner OE9FWV -- You cannot kill time without injuring eternity.-- Thoreau Email powered by Pegasus Mail free at http://www.pmail.com Homepage: http://www.qsl.net/oe9fwv/ Fone +43 5522 75013 Fax +43 820 555 85 2621 Mobile +43 664 6340014 Elecraft K2 #5203 K3 #656 ___ 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 -- View this message in context: http://n2.nabble.com/KRX3-in-action-tp1120156p1120239.html Sent from the Elecraft mailing list archive at Nabble.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] KRX3 Waynegram Katiegram
Hallo, during the last hours, a couple of issues which were delaying, at *my* request, the shipment of my KRX3 have been cleared up. It should be leaving the door in Aptos on Monday and with a bit of luck be in Munich by the end of the week. My K3 is #67 and the order went out on K3 Announcement Day... 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] K3 S meter
In my view the K3 S meter is simply far too sensitive at the lower end. I do not think so. Some band/antenna/QTH combinations will on a *good* S-Meter show fairly high S values for band noise. Without wanting to reopen the S-Meter mail wars of from the days after the announcement of the K3. There is a norm: IARU Region 1 Technical Recommendation R.1. Ninety-nine percent of all S-Meters are *not good* i.e. are not in accordance with the norm. http://en.wikipedia.org/wiki/S_meter http://www.iaru-r1.org/VHF_Handbook_V5_21.pdf, Page 151 = 1. One S-unit corresponds to a signal level difference of 6 dB, 2. On the bands below 30 MHz a meter deviation of S-9 corresponds to an available power of -73 dBm from a continuous wave signal generator connected to the receiver input terminals, 3. On the bands above 30 MHz this available power shall be -93 dBm, s4. The metering system shall be based on quasi-peak detection with an attack time of 10 msec ? 2 msec and a decay time constant of at least 500 msec. = 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] KRX3 in action
hi Alexandr, Alexandr Kobranov schrieb am 26 Sep 2008 um 9:23: are the birdies dependent on bandwith also? yes they are. I can see them on the Panadapter very easy, and they jump aside when I change XFIL: I have had similar problem with ma K3 base unit and replacing of RX mixer - small board, the same applied in KRX3 solved this. ok I'll try this. So my recommendation - swap RX mixer boards between base and KRX3 and compare results. I is what I will try is this case. I get the loudest birdie when I touch the relay or toroid on the K3SYN. About sound main/sub - what is used XFIL? if 5 poles what is offset differenciies? I switched the filters in the main and sub receiver but it did not change this sound. I think it could be a AGC effect. I have the feeling that with AGC off the effect is less. If 5 poles, try to little bit change offset for one of them and compare. this did not change anything. It has to do with AGC I think. I have my KRX3 just on USPS so not able to test here directly. I am vy interested what you find when you have it installed! I found another anomality: if sub rx and main rx are linked together, this does not affect the coarse tuning with the RIT knob. Only the main VFO is tuned and you have to press AB to have the two VFO's on the same frequency again. Maybe it is intended? 73! de Werner OE9FWV -- Reality is for people who lack imagination. Email powered by Pegasus Mail free at http://www.pmail.com Homepage: http://www.qsl.net/oe9fwv/ Fone +43 5522 75013 Fax +43 820 555 85 2621 Mobile +43 664 6340014 Elecraft K2 #5203 K3 #656 ___ 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 Battery Charging System With out Mods?
Hello all, Is there a simple off the shelf model of battery charger which I can buy or build that will properly charge the K2 battery? I'd prefer not to drill a hole in the rear apron, so I'm looking for a commercial solution, ideally with an adjustable output. What have you found that works, or how did you solve your K2 battery dilemma? Thanks! 73 Bruce W1UJR www.w1ujr.net ___ 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 RF-out spikes, was: K3 SSB Power Control and ALC Metering
I tested my rig using dummy load and scope. My rig is serial 1198, using f/w 2.38 and dsp 1.90. I don't see any spike in output. On cw the o/p power on key down is initially about 95% of the set value and then rises to the set value. I tested this on all bands using 51w o/p. On ssb the peak power occasionally exceeds the set value but very slightly, maybe 5% or so. I tried changing the power setting but got the same result. I did however notice that the needle on my analog power meter (Diamond SX200) overshoots the set power - this appears to be a function of the dynamics of the meter movement. Graham G3TCT - Original Message - From: Charles Harpole [EMAIL PROTECTED] To: Kamal Sirageldin [EMAIL PROTECTED]; elecraft@mailman.qth.net Sent: Thursday, September 25, 2008 3:48 AM Subject: [Elecraft] K3 RF-out spikes,was: K3 SSB Power Control and ALC Metering Yep, my recently factory re-done K3-100F #309 also has RF output power spikes upon first key down or first SSB word spoken. The spike appears to be at fully 120 watts when rig is adjusted to 50 watts. When oh when will this rig be at least half way done? 73, Charles Harpole [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
Re: [Elecraft] K3 RF-out spikes, was: K3 SSB Power Control and ALC Metering
Hallo Graham, thank you for looking at this with a scope. Did you try changing the power level while you were in SSB at lowish power, e.g. from 30W to 35W? This (at least it used to) usually caused my K3 to settle in on a power level which tended to be between 3db and 10dB lower than requested. The effect was stronger at lowish power levels, e.g. 30W, than at higher levels, e.g. 90W. Did you change the power level request while in the RX and/or TX states? My work around, was to set up the power level in CW (or TUNE) and then not touch the PWR knob while in SSB. The more recent firmware versions have improved quite a bit, but the effect never really disappeared totally. This being said, I haven't had a chance to test the very newest firmware yet. vy 73 de toby -- DD5FZ (ex 4n6fz, dj7mgq, dg5mgq, dd5fz) K2 #885, K2/100 #3248, K3/100 #67 ___ 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 Feeding Other Radios
I am interested in listening to my K2 and K3 at the same time using the same antenna. I thought there was a post about how to accomplish this but I cannot seem to locate it. Can anyone point me to the post? or tell me how to do this. Pat , W8FV K2 - 257, K3 - 1286 ___ 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 Feeding Other Radios
Patrick DalPorto-2 wrote: I am interested in listening to my K2 and K3 at the same time using the same antenna. I thought there was a post about how to accomplish this but I cannot seem to locate it. Can anyone point me to the post? or tell me how to do this. You need a Magic-T splitter for RX ANT ports only (do not use this on an RF transmit port or you may damage your rigs). Here are a few links: http://www.qrp.pops.net/swl-ant-split.asp http://www.w8ji.com/combiner_and_splitters.htm Commercial versions are also available from Mini-Circuits and possibly others. There is of course a 3 dB loss to both receivers due to splitting the signal in half. 73, Bill -- View this message in context: http://n2.nabble.com/K3-Feeding-Other-Radios-tp1120499p1120522.html Sent from the Elecraft mailing list archive at Nabble.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 RF-out spikes, was: K3 SSB Power Control and ALCMetering
Hi Toby I've just tried it at 30w and it behaves sensibly whether I adjust o/p in rx or tx. There's a slight wobble in output power as I adjust it (visible when running carrier) but only a few percent. I tried all powers from 3w to 100w on 80m and 15m. And it also produces the same peak power on ssb as near as I can tell. I haven't noticed any change in this area from firmware changes. Hope this helps. Graham - Original Message - From: [EMAIL PROTECTED] To: Graham Kimbell (G3TCT) [EMAIL PROTECTED] Cc: elecraft@mailman.qth.net Sent: Friday, September 26, 2008 10:53 AM Subject: Re: [Elecraft] K3 RF-out spikes, was: K3 SSB Power Control and ALCMetering Hallo Graham, thank you for looking at this with a scope. Did you try changing the power level while you were in SSB at lowish power, e.g. from 30W to 35W? This (at least it used to) usually caused my K3 to settle in on a power level which tended to be between 3db and 10dB lower than requested. The effect was stronger at lowish power levels, e.g. 30W, than at higher levels, e.g. 90W. Did you change the power level request while in the RX and/or TX states? My work around, was to set up the power level in CW (or TUNE) and then not touch the PWR knob while in SSB. The more recent firmware versions have improved quite a bit, but the effect never really disappeared totally. This being said, I haven't had a chance to test the very newest firmware yet. vy 73 de toby -- DD5FZ (ex 4n6fz, dj7mgq, dg5mgq, dd5fz) K2 #885, K2/100 #3248, K3/100 #67 ___ 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 RF-out spikes, was: K3 SSB Power Control and ALCMetering
Hello Graham, thanks for taking another look. It sounds like your K3 is behaving correctly. I hope to update my firmware before the big RTTY contest this week end, which means I could check my K3 (again) as well. If I still see any errors, then one can assume that it likely is not a bug in the firmware. Very interesting indeed... mni tnx es vy 73 de toby -- DD5FZ (ex 4n6fz, dj7mgq, dg5mgq, dd5fz) K2 #885, K2/100 #3248, K3/100 #67 ___ 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] still have a problem.... still TX on power on --K2
Thanks Arie, I figured this out too lastnight. I appreciate your email. You are confirming me the problem I hve. I hope this time, when the new IC wil be installed that everything would be fine :-) 73 Le 08-09-26 à 02:06, Arie Kleingeld PA3A a écrit : Sorry to come in this thread so late. Missed it because of a holidays. Jean-Francois, I had the same thing about a year ago and had to replace the main control processor and the sub processor on the ssb board. They share the ptt line that is directly connected to mic - jack without any protection or buffering. When I connected some things to the mic jack (for afsk operations) I blew up the ptt line because the line for the ptt came from a computer which did not share the ground connected with the k2 (yet). Bingo! (Never had the problem with other transceivers. Well, they do not take a microprocessor line directly to the outside of the trx.) 73 Arie PA3A ___ 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 De Jean-François Ménard / VA2SS ___ 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 RF-out spikes, was: K3 SSB Power Control and ALCMetering
Hi all! I a have the same problem with my K3 S/N 1577, V2.38. DSP1.90 spikes are visible on all bands specially on SSB first second transmitting! It is very interesting indeed 73, E72X, dj7mgq wrote: Hello Graham, thanks for taking another look. It sounds like your K3 is behaving correctly. I hope to update my firmware before the big RTTY contest this week end, which means I could check my K3 (again) as well. If I still see any errors, then one can assume that it likely is not a bug in the firmware. Very interesting indeed... mni tnx es vy 73 de toby -- DD5FZ (ex 4n6fz, dj7mgq, dg5mgq, dd5fz) K2 #885, K2/100 #3248, K3/100 #67 ___ 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 -- View this message in context: http://n2.nabble.com/K3-SSB-Power-Control-and-ALC-Metering-tp1117009p1120761.html Sent from the Elecraft mailing list archive at Nabble.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 RF-out spikes
Some spike, some don't. Charles Harpole [EMAIL PROTECTED] Date: Fri, 26 Sep 2008 05:41:47 -0700 From: [EMAIL PROTECTED] To: elecraft@mailman.qth.net Subject: Re: [Elecraft] K3 RF-out spikes, was: K3 SSB Power Control and ALCMetering Hi all! I a have the same problem with my K3 S/N 1577, V2.38. DSP1.90 spikes are visible on all bands specially on SSB first second transmitting! It is very interesting indeed 73, E72X, dj7mgq wrote: Hello Graham, thanks for taking another look. It sounds like your K3 is behaving correctly. I hope to update my firmware before the big RTTY contest this week end, which means I could check my K3 (again) as well. If I still see any errors, then one can assume that it likely is not a bug in the firmware. Very interesting indeed... mni tnx es vy 73 de toby -- DD5FZ (ex 4n6fz, dj7mgq, dg5mgq, dd5fz) K2 #885, K2/100 #3248, K3/100 #67 ___ 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 -- View this message in context: http://n2.nabble.com/K3-SSB-Power-Control-and-ALC-Metering-tp1117009p1120761.html Sent from the Elecraft mailing list archive at Nabble.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 Battery Charging System With out Mods?
Bruce, The answer is yes. There are several choices, but here are two basic ones. 1) Use a power supply that you can adjust upward to the 13.1 to 14.3 volt range to power the K2. The internal battery will charge, but it will take a long time to come to a full capacity charge. 2) Make a direct connection to the battery and use a 2 or 3 state charger designed specifically for charging gel cells. The AA Smartcharger is one example. You do not have to drill any holes - use the existing transverter holes in the top cover to mount the jack for the direct battery connection. Be sure to put a fuse inside the K2 when making the direct battery connection, if the external connection is shorted in any way, one would find out just how much energy is in a gel cell - molten metal, flying bits of hot conductor pieces, and other bad things will happen. Even though the voltage is low, it is still dangerous because the current capacity is huge. See my website www.w3fpr.com for information related to 2) above. 73, Don W3FPR Bruce James Howes wrote: Hello all, Is there a simple off the shelf model of battery charger which I can buy or build that will properly charge the K2 battery? I'd prefer not to drill a hole in the rear apron, so I'm looking for a commercial solution, ideally with an adjustable output. What have you found that works, or how did you solve your K2 battery dilemma? Thanks! 73 Bruce W1UJR www.w1ujr.net ___ 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 RF-out spikes, was: K3 SSB Power Control and ALCMetering
Notice that Graham mentioned that his 'peak reading meter' indicated overshoot, but that no overshoot was seen on an oscilloscope. If your only indication is from a peak reading meter, that may be an anomaly of the meter and not any problem with the K3. Most reports of 'overshoot' that I have read about on this reflector have been observed with some type of peak reading meter. 73, Don W3FPR e72x wrote: Hi all! I a have the same problem with my K3 S/N 1577, V2.38. DSP1.90 spikes are visible on all bands specially on SSB first second transmitting! It is very interesting indeed 73, E72X, dj7mgq wrote: Hello Graham, thanks for taking another look. It sounds like your K3 is behaving correctly. I hope to update my firmware before the big RTTY contest this week end, which means I could check my K3 (again) as well. If I still see any errors, then one can assume that it likely is not a bug in the firmware. Very interesting indeed... mni tnx es vy 73 de toby -- DD5FZ (ex 4n6fz, dj7mgq, dg5mgq, dd5fz) K2 #885, K2/100 #3248, K3/100 #67 ___ 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 No virus found in this incoming message. Checked by AVG - http://www.avg.com Version: 8.0.169 / Virus Database: 270.7.3/1693 - Release Date: 9/26/2008 7:35 AM ___ 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] S meter
In my view the K3 S meter is simply far too sensitive at the lower end. Barry, comparing the K3 S-meter to another rig's S-meter will lead you in circles. Different S-meter standards can be used and calibration between of the various rigs could be quite different. From my measuring many receivers, different rigs often agree pretty well at S-9 levels and then they agree at no place else on the meter. The low end is usually the widest variance in my experience. A calibrated signal into the antenna port is needed if you wish to really know if your S-meter is too sensitive. The K3 then has all the configuration settings you need to make it right if it isn't. In my case I run S-5 to S-7 background most of the time on 40M with my inverted V (still summer noise up here). I wondered the same thing about the sensitivity of the K3 S-meter. I have gone through the effort to calibrate the K3 S-meter using the configuration settings when I assembled the rig as well as equalized each installed filter gain to give the identical S-meter readings independent of bandwidth selected on the K3 front panel. So I just hooked up my Elecraft XG2 signal generator to I see if anything has changed from all the different firmware downloads, I read the following: Off = zero bars 50 uV = S9 1 uV = S3 These reading are about right, band noise right now S-6 with antenna connected. If you accept that each S-unit change is 6 dB (you may prefer a different standard) and S-9 is 50 uV, then 1 uV is 34 dB below 50 uV or 5.66 S-units below S-9 or S-3.33, S-3 at the resolution of the K3 S-meter. The Elecraft XG2 is an easy kit to build with maybe 20 through-hole parts if you want to do this yourself and stop chasing your tail. You will probably find as I did that the K3 out of the box is pretty much right on with small variations due to your specific crystal filters you have. It is quite probable that you now own the most accurate S-meter that you have ever seen and should start investigating that MP1000. Mike Scott - AE6WA Tarzana, CA (DM04 / near LA) K3-100 #508/ KX1 #1311 ___ 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 RF-out spikes, was: K3 SSB Power Control and ALCMetering
Hi, Spikes are visible on both power meter on K3 and I can see on external Watt meter including error message from automatic amplifier which get response - Overdrive Input is to high! I am forward message from Elecraft support! it is helpful to press TUNE when the rig is first switched on, for the quickest and most accurate RF output on later transmissions in SSB, CW, or data modes. E72X, Gordan, Don Wilhelm-4 wrote: Notice that Graham mentioned that his 'peak reading meter' indicated overshoot, but that no overshoot was seen on an oscilloscope. If your only indication is from a peak reading meter, that may be an anomaly of the meter and not any problem with the K3. Most reports of 'overshoot' that I have read about on this reflector have been observed with some type of peak reading meter. 73, Don W3FPR e72x wrote: Hi all! I a have the same problem with my K3 S/N 1577, V2.38. DSP1.90 spikes are visible on all bands specially on SSB first second transmitting! It is very interesting indeed 73, E72X, dj7mgq wrote: Hello Graham, thanks for taking another look. It sounds like your K3 is behaving correctly. I hope to update my firmware before the big RTTY contest this week end, which means I could check my K3 (again) as well. If I still see any errors, then one can assume that it likely is not a bug in the firmware. Very interesting indeed... mni tnx es vy 73 de toby -- DD5FZ (ex 4n6fz, dj7mgq, dg5mgq, dd5fz) K2 #885, K2/100 #3248, K3/100 #67 ___ 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 No virus found in this incoming message. Checked by AVG - http://www.avg.com Version: 8.0.169 / Virus Database: 270.7.3/1693 - Release Date: 9/26/2008 7:35 AM ___ 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 -- View this message in context: http://n2.nabble.com/K3-SSB-Power-Control-and-ALC-Metering-tp1117009p1120832.html Sent from the Elecraft mailing list archive at Nabble.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 Feeding Other Radios
Hi Pat, It was me who asked the question, but I can't find the post anywhere. If you have the KXV3 installed, you can bring your main antenna into the K3 and then connect the RX Out of the KXV3 to your K2. Better yet, if you have the KX160 module in your K2, you can use the receive antenna input (so you don't accidentally key up your K2 into the RX Out port of the K3). Off the top of my head, I can't remember if there is anything else you need to do in the K3 setup to get this to work or not. Maybe someone else can chime in. It worked well for me and really is a tribute to the fine receiver in the K2. For the simple tests I ran, it heard about as well as my K3. But we can enhance that signal so much easier with the K3 ;-) Good luck 73, Dave W8FGU Patrick DalPorto wrote: I am interested in listening to my K2 and K3 at the same time using the same antenna. I thought there was a post about how to accomplish this but I cannot seem to locate it. Can anyone point me to the post? or tell me how to do this. Pat , W8FV K2 - 257, K3 - 1286 ___ 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 RF-out spikes, was: K3 SSB Power Control andALCMetering
Toby A couple of thoughts - have you looked at the power supply regulation - it might be reacting badly to the sudden key down. The other thought is whether RF is getting into something - this can cause all manner of strange effects, I've even had multimeters giving nonsense measurements through RF pickup. Otherwise it may need to go back to Elecraft as it could be a component failure. Good luck Graham ___ 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/KRX3 80M SPLIT
For those of you who are having the problem Jim reports. I found a formatting error in LP-Bridge in split mode which was dropping a zero in the reported frequency to SteppIR in this mode. It is fixed in version 0.9.8.2, which can be downloaded on the LP-Bridge page at http://www.telepostinc.com/LPB.html 73, Larry N8LP Message: 23 Date: Fri, 26 Sep 2008 02:24:38 - From: James Denneny [EMAIL PROTECTED] Subject: [Elecraft] K3/KRX3 80M SPLIT To: elecraft@mailman.qth.net Message-ID: [EMAIL PROTECTED] Content-Type: text/plain; charset=us-ascii There may be a bug here. The key seems to be simplex or split. If I put both vfos on the same 80M freq and leave K3 in simplex, SteppIR tuning is perfect. If I select SPLIT and key K3, the SteppIR controller heads to 35Mhz even though both vfo's are on same freq. Fortunately, I have a band-aid. I use LP-Bridge output to communicate with controller. I simply turn LP-Bridge output off when operating split on 80 and then I don't care what the K3 is trying to tell the controller. I am running latest K3 firmware. I have not investigated this phenomenon on other bands as I only use the BiggIR on 80M Jim Denneny K7EG ___ 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 RF-out SPIKES
Hi ALL I just wanted to add my experiences with SPIKES. My K3 is absolutely clean NOW. I say NOW because I did have a similar experience and after a lot of testing with my Peak SWR meter I finally traced the problem to my MIC. I was using an amplified Kenwood MC-60. I stopped using it and switched to my HEIL Traveler Dual Headset/Boom mic, with Kenwood option cables, and I am now a Happy Camper. Problem Solved. So... your results may vary but experiment with different mics and connections. It may be that the K3 is overly sensitive to the type of MIC signal, that is, bias or amplifier driven verses Dynamic, no drive or it may be a defect in the MIC element itself. I am running a solid state linear THP 1KW. No problems now. 73's TonyK2ZLS # 703FW 2.38 ___ 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/KRX3 80M SPLIT operation issue - Problem Solved
Larry N8LP found syntax error in LP-Bridge that was misreporting TX data during SPLIT ops. His v0.9.8.2 has fixed the issue. K3 now interfaces SteppIR controllers in SPLIT mode with this update. Jim K7EG ___ 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 S meter
Barry Simpson wrote: It is a fact that the band noise is not for example S5 - and my FT1000MP MKV and TS2000 read S0 or S1 in the same situation. This is because most rigs' meters are inaccurate and indicate ~3 dB per S-unit below S9. Identical S1 noise on another rig would be 24 dB (8 units [S9-S1] times 3 dB per unit) lower than 50 uV (S9), and indicate S5 on the K3 (4 units [S9-S5] times 6 dB per unit). Below is a typical S-meter (FT-1000), and you can see that S1 on it is actually closer to a real S4: (from http://www.n6rk.com click on FT-1000 S-meter calibration Actual Equivalent* 1 3.8 2 4.2 3 4.3 4 4.7 5 5.2 6 5.7 7 6.3 8 7.3 9 8.3 * Equivalent means S9 for 50 uV and 6 dB per S-unit, according to the following table on the same site as above: http://www.n6rk.com click on Definition of S-unit Another problem is that most rigs' S-meter readings will change if you are use a Preamp or Attenuator. In the K3's ABSolute S-meter mode, the reading will not change with Preamp or Attenuator settings, since it is correctly reporting the signal at the input terminals (which of course does not change with the internal Preamp or Attenuator setting). The K3 meter is probably one of the more accurate S-meters available, especially below S9. 73, Bill -- View this message in context: http://n2.nabble.com/K3-S-meter-tp1120138p1121246.html Sent from the Elecraft mailing list archive at Nabble.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 Feeding Other Radios
Patrick DalPorto wrote: I am interested in listening to my K2 and K3 at the same time using the same antenna. I thought there was a post about how to accomplish this but I cannot seem to locate it. Can anyone point me to the post? or tell me how to do this. If you have the KXV3 with the RX ANT OUT connection, you can feed the K2 from this. It would be best if you have the 160 M / RX Ant option on the K2, because then you can use the RX ant input on the K2. You definitely do NOT want to transmit into the K3's RX ant output! -- 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] still have a problem.... still TX on power on --K2
Sorry to come in this thread so late. Missed it because of a holidays. Jean-Francois, I had the same thing about a year ago and had to replace the main control processor and the sub processor on the ssb board. They share the ptt line that is directly connected to mic - jack without any protection or buffering. When I connected some things to the mic jack (for afsk operations) I blew up the ptt line because the line for the ptt came from a computer which did not share the ground connected with the k2 (yet). Bingo! (Never had the problem with other transceivers. Well, they do not take a microprocessor line directly to the outside of the trx.) 73 Arie PA3A ___ 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 Used in Montana Ham Rescue...
Dave wrote: Fascinating story I thought so too. I've been in a similar situation, but fortunately not so remote from help. I'd be worried about someone with that kind of injury going into shock. It seems to me that shock is often psychologically induced. Taking actions to deal with the situation can prevent being preoccupied with the injury. I believe that can greatly reduce shock onset. In 1998, I was hiking alone in north Alabama's Sipsey Wilderness when I took a mis-step that resulted in a twist break of both bones in the lower left leg. It would have driven me crazy to just wait until someone showed up, so I began a crawl to the nearest trailhead, which was only a half-mile away. When I got there more than an hour later, some folks had just driven up that were able to deliver me to the nearest hospital. The only radio I had was an FT-50R HT, but no ham repeater or cell phone coverage existed in the low valley elevation where I was. My HT had the MARS/CAP mod, I knew the frequencies and PL tones of local law enforcement and Forest Service repeaters. I'm sure I could have accessed them. But I didn't consider the emergency to be severe enough to unlawfully communicate through those channels and deal with the resulting flap. Had the fracture been compound, maybe I'd have taken that drastic step. I was happy to have been able to deal with the situation without getting any governmental agency or rescue squad involved, or getting publicity. All I got was $30,000 in medical costs. A year later, while camping again in the Sipsey Wilderness, I overheard on local law and forest service frequencies the rescue efforts of a woman who broke her leg on a trail about ten miles away. I was sympathetic to her situation. The main thing I learned was that the possibility of unexpected injury exists everywhere, even when one is doing nothing risky or stupid. Anyway, this seems like good fodder for a K1 advertisement. IMHO, it's likely the best K1 story ever! I think the fellow did a great job. It certainly emphasizes many of the reasons why I consider HF QRP gear to be a priority inclusion for backwoods outings like this. With great light-weight, high-capability sets like the K1 and KX1 now available, it would be inconceivable to me now to go on a backpack trip without HF QRP gear. In fact, that's *THE* reason I bought a K1 eight years ago. If I were going to buy a QRP rig today for backpacking, it would be yet another K1. I was amused by the youtube goathiker videos that have recently been cited here. His FT-817 is pretty heavy, and is extremely power hungry for a backpack rig, but that ham had those goats to haul the weight. Cell phones and VHF/UHF gear would very likely be useless in such locations. Very true. One of my favorite trail systems is along the Buffalo National River in the Arkansas Ozarks. Forget getting a signal out by anything other than shortwave along most of its 150 mile length. Mike / KK5F K1 S/N 175 (November 2000) ___ 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 Battery Charging System With out Mods?
Hi Bruce, I do not have the battery pack in my K2 however for years I have been using these chargers for various Gel cells and small lead acid batteries: http://batterytender.com/selection_guide.php The Plus model at $60 is a 4 step charger for gel cells, and others, and the JR at $40 is a 3 step charger that I have used also on very small Gel cell batteries when a lower charge rate was desired. These are very popular in the Motorcycle world. They are discounted quite a bit and I've seen them for $35 and $27 each. When the MC's are retired for the winter I just leave a charger connected and they are ready to go in the spring. I have 3 Plus models and a JR and they have never failed me. No financial interest just a satisfied customer. 73, Bob K2TK Bruce James Howes wrote: Hello all, Is there a simple off the shelf model of battery charger which I can buy or build that will properly charge the K2 battery? I'd prefer not to drill a hole in the rear apron, so I'm looking for a commercial solution, ideally with an adjustable output. What have you found that works, or how did you solve your K2 battery dilemma? Thanks! 73 Bruce W1UJR www.w1ujr.net ___ 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] SSB transmit issue after using K3 Utility
Today I used the K3 utility to adjust a crystal filter gain. After making the adjustment to the 500Hz filter and closing the utility I had a QSO on 40M SSB. They reported that I sounded nasal and was very difficult to understand. After a power-off reset transmit audio returned to normal. I have seen this situation from time to time since I have owned the K3. I suspect but don't have a way to tell that I was transmitting through the 500Hz filter. Listeners said it was like I was off frequency but no amount of tuning helped. Filters are set up as follows: Fil 1 13.00 KHz enabled for CW, FM, AM; with Tx FM Fil 26.00 KHz enabled for CW, LSB, USB, Data, AM; with Tx AM Fil 3 2.70 KHz enabled for CW, LSB, USB, Data; with Tx CW and SSB Fil 4 0.50 KHz enabled for CW and Data, no Tx Fil 5 Blank, nothing enabled K3-100 #508 Utility version 1.1.6.3, standard RS232 connection MCU 02.38 FPF 00.02 DSP1 0.190 Mike Scott - AE6WA Tarzana, CA (DM04 / near LA) K3-100 #508/ KX1 #1311 ___ 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 arrival
Hello Well K3 s/n 1802 arrived this afternoon,ordered June 8th, so guess what I will be doing this weekend! 73 Scott N5SM ___ 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 morse trainer for Mac OS
Just wanted to give a heads up to those of you who use Mac OS (or know of folks who use Mac OS) about a new Morse Code learning device which is available for Mac OS. This program is called the AD5RX Morse Trainer and it may be downloaded *free* from the Source Forge site: http://sourceforge.net/projects/morsetrainer/ Jonathan Nall, AD5RX, is a ham who lives out in 6-land these days. By day he works in the tech biz doing hardware verification, but he really enjoys tinkering around with other things in his spare time. In this case, he's offering a G4FON-like program for Mac users. It has quite a bit of functionality of the G4FON program (QRM, QSB, effective speed and actual speed settings, etc.). In addition to those basic features, it offers the ability to set the number of stations QRMing and the ability of the program to read the code back to you (in English) to check your written (or typed) transcription. The motivation behind developing this program (which he has poured many hours into) is to provide a quality, free Morse Code-learning program to Mac users who have been limited to pay-only or inferior programs in the past. The program will always remain free, but since the program is still in its infancy he is requesting that Mac hams download it and try it out. Please email all comments to [EMAIL PROTECTED] He is specifically looking for comments related to the UI and the speech function (mentioned above). My interest in this is only that AD5RX is a friend of mine from college who happens to not subscribe to this list. That's all. I had nothing to do with the development of the program, personally. 73 -john W4PAH ___ 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] SSB transmit issue after using K3 Utility
How did your voice sound when you used the Monitor function? Nelson, K8DJC -- I am using the free version of SPAMfighter for home users. SPAMfighter has removed 12960 spam emails to date. Paying users do not have this message in their emails. Get the free SPAMfighter here: http://www.spamfighter.com/len ___ 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 Problem with RTTY using cw paddle to send RTTY
After 27 year of no RTTY, I finally decided to have a go using the CW paddle of the K3. I have two problems #1. Split does not work when sending RTTY with paddle - It is a BUG #2. When I end the pushing of one of the sides of the paddle, the PTT stays on for almost 3 seconds sending dadadadada (sort of in rtty). Is this the way it should work? I would imagine that when I leave the paddle for the last H of (CT1BOH) TX would end... 3 seconds seems a lot to me. Please adivice - don't want to leave the contest guys waiting with my TX 73 José CT1BOH ___ 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 NR mode specific please
Would it be possible to make the NR function mode specific? I find that the settings I need for ssb and cw are really quite different. It would be good not to have to adjust the NR settings every time I change mode. Or have I missed something here? 73 Stephen G4SJP ___ 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] Elecraft Rigs in Emergency Service...
Cell phones and VHF/UHF gear would very likely be useless in such locations. Very true. One of my favorite trail systems is along the Buffalo National River in the Arkansas Ozarks. Forget getting a signal out by anything other than shortwave along most of its 150 mile length. Mike / KK5F --- Not just in remote areas either! Here, only 6 miles from Newport, the largest city on the Oregon coast, I require a cellular booster with a high gain antenna on a pole just to access a cell tower from my house 100 feet ASL even using basic 800 MHz cell phones (forget GSM or other higher-frequency units). Our local Amateur RACES organization has a sophisticated 2 meter system with multiple repeaters, but the system is inaccessible from much of the area even just a few miles from town due to the rugged terrain (the coastal mountains reach right down to the water) and, with a tall range of coastal mountains directly behind us inland, the whole area is isolated for VHF/UHF communications of any kind with the rest of the state. Our immediate community of about 150 homes, like a great many hugging the coast, is easily isolated by storm events. We can count on at least a couple of storms with sustained 100+ MPH winds each winter that may flood the coastal highway, and a tsunami would likely isolate us for days, if not weeks, requiring radio communications to coordinate Coast Guard and other emergency services as required to save lives. My Elecraft K2 and K3 rigs, running on batteries, are the primary emergency communications link out of the immediate area, especially to state HQ in Salem or to the North Bend Coast Guard air wing. We use SSB normally (there's an informal net of Hams all over the Pacific Northwest on 3980 who meet every day and whenever there's a severe storm event), but I have demonstrated the ability to do that with a wire tossed over a tree limb running my KX1 on internal batteries. That's CW of course. The problem with CW is that there are so few people involved in regular emergency training who know it, but CW is invaluable in a situation like that Ham in the Cascades, and we all know there are a lot of operators listening out there. I hope we never need to use those resources in a life-and-death emergency, but real benefit for me as a Ham is that my local community not only applauds my having an antenna up, they'd be sorely disappointed if I didn't. It's pretty nice when having an antenna in the sky is considered an important community asset! :-) I wonder if the Ham injured in the mountains knew to use QRRR? I wonder how many Hams today know what it means? Perhaps he got lucky hearing that guy tune up and getting an answer to his call before he needed it. 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
Re: [Elecraft] K3 Problem with RTTY using cw paddle to send RTTY
José Nunes CT1BOH wrote: #1. Split does not work when sending RTTY with paddle - It is a BUG Make sure that VFO B is also in DATA mode. You can do this by tapping A-B twice before going into SPLIT mode. #2. When I end the pushing of one of the sides of the paddle, the PTT stays on for almost 3 seconds sending dadadadada (sort of in rtty). Is this the way it should work? I would imagine that when I leave the paddle for the last H of (CT1BOH) TX would end... 3 seconds seems a lot to me. To immediately end RTTY transmission send dididahdah -- IM as one character. -- 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] Russ Ruby Mountain Rescue.
From Lester Davis K7lld All of the stories about the rescue of Russ W7AU is correct except the Elecraft radio he was using was an elecraft Kx1. I live here in Corvallis Oregon a few miles from Russ so we get together often. The helicopters could not get to the area even with the good coordinates Russ gave to Bob Williams N7ODM as the weather just was to bad, so Rescue decided to send in Horses to bring him out which was a 4+mile ride one way! Russ is now at his Brothers house in Seattle. Russ plans on getting the train down to Albany on Monday and I will pick him up and bring him home here Corvallis. 73 Les K7LLD ___ 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 Rigs in Emergency Service...
I wonder if the Ham injured in the mountains knew to use QRRR? I wonder how many Hams today know what it means? Perhaps he got lucky hearing that guy tune up and getting an answer to his call before he needed it. Ron AC7AC I wonder if he would be advised to use QRRR, if most hams don't know what it means? Rick Dettinger K7MW ___ 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] OT: Propagation
Hi All, The bands are opening for the Fall, and I'd like to know what paths are open at any given moment, using a web based resource. If I checked right now I might find that 15 meters is open between Africa and North America, and that 20m is open between Hawaii (or Japan) and the West Coast of USA. I have the W6EL program that makes a pretty good MUF frequency map. But that is just a projection based on solar flux. www.eham.net has some DX spotting too, wondering what may be better. Anyone have any suggestions? Thanks in advance - Don. ___ 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] Russ Ruby Mountain Rescue.
Tnx for the update. Yes, the K1 is a very nice rig but the KX1 is the ultimate backpackable rig. Glad he's okay. I lost a neighbor on Mt Hood a couple of years ago who wasn't so lucky. Instead of welcoming him home, we shared a memorial service with his family. Ron AC7AC -Original Message- From Lester Davis K7lld All of the stories about the rescue of Russ W7AU is correct except the Elecraft radio he was using was an elecraft Kx1. I live here in Corvallis Oregon a few miles from Russ so we get together often. The helicopters could not get to the area even with the good coordinates Russ gave to Bob Williams N7ODM as the weather just was to bad, so Rescue decided to send in Horses to bring him out which was a 4+mile ride one way! Russ is now at his Brothers house in Seattle. Russ plans on getting the train down to Albany on Monday and I will pick him up and bring him home here Corvallis. 73 Les K7LLD ___ 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 Rigs in Emergency Service...
Good question. That's why I asked it :-) In that situation I think I'd use, alternately, QRRR and SOS if I couldn't raise someone directly, sort of like McBride did from the Titanic back in 1912, sending alternately CQD and SOS. Ron AC7AC -Original Message- I wonder if the Ham injured in the mountains knew to use QRRR? I wonder how many Hams today know what it means? Perhaps he got lucky hearing that guy tune up and getting an answer to his call before he needed it. Ron AC7AC I wonder if he would be advised to use QRRR, if most hams don't know what it means? Rick Dettinger K7MW ___ 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 S meter
Thanks to everyone for your comments on my posting. I think I will use the ABS setting. 73 Barry VK2BJ ___ 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: Propagation
The best real time system I know of that shows actual conditions is the Northern California DX Foundation/IARU beacon system: http://www.ncdxf.org/beacons.html Ron AC7AC -Original Message- Hi All, The bands are opening for the Fall, and I'd like to know what paths are open at any given moment, using a web based resource. If I checked right now I might find that 15 meters is open between Africa and North America, and that 20m is open between Hawaii (or Japan) and the West Coast of USA. I have the W6EL program that makes a pretty good MUF frequency map. But that is just a projection based on solar flux. www.eham.net has some DX spotting too, wondering what may be better. Anyone have any suggestions? Thanks in advance - Don. ___ 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: Propagation
Don Rasmussen wrote: Hi All, The bands are opening for the Fall, and I'd like to know what paths are open at any given moment, using a web based resource. If I checked right now I might find that 15 meters is open between Africa and North America, and that 20m is open between Hawaii (or Japan) and the West Coast of USA. I have the W6EL program that makes a pretty good MUF frequency map. But that is just a projection based on solar flux. www.eham.net has some DX spotting too, wondering what may be better. Anyone have any suggestions? Thanks in advance - Don. Whatever happened to just turning the radio on and listening. :) Having been foolish enough to write and make freely available a program (VOAProp) that displays graphical maps of predicted propagation based on VOACAP, I have become aware that a lot of hams think you can predict propagation as accurately as the weather given a couple of solar indices. It just ain't that easy. If you happened to subscribe to RadCom, then in this month's issue you would have found an excellent article describing exotic propagation modes that even the best propagation models cannot predict. So there is really no substitute to turning the radio on and listening. If you really can't be bothered to do that, then looking at what is being spotted on the DX Cluster by spotters near your location may give you an idea of who is actually working what at any given time. An interesting variation on that is the Reverse Beacon Project http://skimmer.dxwatch.com/ which plots stations heard by people using the CW Skimmer software, however there are far too few users (and Skimmer is prone to mis-copy calls) for it to be very useful at the moment. - Julian, G4ILO. K2 #392 K3 #222. http://www.g4ilo.com/ G4ILO's Shack http://www.ham-directory.com/ Ham Directoryhttp://www.g4ilo.com/kcomm.html KComm for Elecraft K2 and K3 -- View this message in context: http://n2.nabble.com/OT%3A-Propagation-tp1121893p1122063.html Sent from the Elecraft mailing list archive at Nabble.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: Propagation
Speaking of beacons, does anyone know anything about what seem to be beacons that appeared in the CW portions of 40m, 30m, 20m, and 15m last week? Well, I first heard them last week, don't know when they might have first appeared. Maybe they've been there forever and I just never noticed. They were like slow cw dashes, 1 second on and one second off, there was never any ID. I copied them Sept. 14 around 1900Z on 7037.84 10121.67 14029.90 21021.90 I don't think it was local as there was QSB and they faded out in the evening, 15m first through 40m last. I don't hear them now, although there is something on 14029.9 that sounds like someone repeatedly tuning up with varying power. Just curious. 73 -- Joe KB8AP On Sep 26, 2008, at 3:28 PM, Ron D'Eau Claire wrote: The best real time system I know of that shows actual conditions is the Northern California DX Foundation/IARU beacon system: http://www.ncdxf.org/beacons.html Ron AC7AC -Original Message- Hi All, The bands are opening for the Fall, and I'd like to know what paths are open at any given moment, using a web based resource. [snip] Anyone have any suggestions? Thanks in advance - Don. ___ 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 Battery Charging System With out Mods?
I have used the Battery Tender as well, the smaller one for the K2 and a larger one for external batteries. You can't use the existing K2 power jack to charge unless you remove some components, as because of the voltage drop, the smart charger will be outwitted and overcharge the battery. So, at least some modification is necessary, and if you leave the resistor in place, your K2 will be consistent with others and can properly handle the 14v slow charge through its DC jack. I believe drilling the hole is the best solution, because it adds a second jack explicitly for charging. I saw Wayne N6KR's K2 and he had mounted an extra plug or two in the back of his K2 as well (though his was for DC out), through one of the old transverter holes. So I think it's A-OK, kinda like replacing the RCA phono jack that Heathkit used to use for antenna connections with an SO-239. Here's how I did it: http://wa5znu.org/log/2005/01/k2-charging-jack.html Since I did it, Unibits have come down in price, and inexpensive competitors from Harbor Freight and Northern Tool are available. I found that I had to stop just shy of the battery to get the hole the right size. Originally I planned to replace the K2 power switch with a double-pole double-throw switch to allow me to have the charging jack active or the battery connected, but not both; however, I eventually decided not to do this and just hook the charging jack up through an internal fuse as Don recommended. I used a mini-blade fuse internally in the plus line, and ran a separate minus line. I do notice some hum if the charger is on red; this could mean my battery is getting old, or it could happen to everyone (although Don hasn't reported it is an issue for him). Having the charger jack also means you can use a Northern Tool 350ma folding solar panel and replenish the battery in the K2 while it's operating! I don't have the Radio Shack part number for the jack I used, but you can see it in the 4th picture. I believe they have a couple of sizes; it's up to you whether you want to use the same as the K2 power plug, or use a different size to more clearly separate them. Leigh/WA5ZNU On Fri, 26 Sep 2008 14:17:28 -0400, Bob [EMAIL PROTECTED] wrote: Hi Bruce, I do not have the battery pack in my K2 however for years I have been using these chargers for various Gel cells and small lead acid batteries: http://batterytender.com/selection_guide.php The Plus model at $60 is a 4 step charger for gel cells, and others, and the JR at $40 is a 3 step charger that I have used also on very small Gel cell batteries when a lower charge rate was desired. These are very popular in the Motorcycle world. They are discounted quite a bit and I've seen them for $35 and $27 each. When the MC's are retired for the winter I just leave a charger connected and they are ready to go in the spring. I have 3 Plus models and a JR and they have never failed me. No financial interest just a satisfied customer. 73, Bob K2TK Bruce James Howes wrote: Hello all, Is there a simple off the shelf model of battery charger which I can buy or build that will properly charge the K2 battery? I'd prefer not to drill a hole in the rear apron, so I'm looking for a commercial solution, ideally with an adjustable output. What have you found that works, or how did you solve your K2 battery dilemma? Thanks! 73 Bruce W1UJR www.w1ujr.net ___ 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: Propagation
Perhaps setting up a WSPR beacon might be of interest. Have a look at http://wsprnet.org/drupal/ Headline: The Weak Signal Propagation Reporter Network is a group of amateur radio operators using K1JT's MEPT_JT digital mode to probe radio frequency propagation conditions using very low power (QRP/QRPp) transmissions. The software is open source, and the data collected are available to the public through this site 73 to all Trevor G0KTN ___ 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: Propagation
Julian G4ILO wrote: So there is really no substitute to turning the radio on and listening. --- I agree 100%. I've never put much store in prediction programs. (Too often the sun is shining outside my window on the days heavy rain is forecast.) I listen too. And if I'm curious and not hearing much, that's when I use the NCDXF/IARU beacons I mentioned before on the major DX bands (20 through 10 meters). In a minute or so I can listen for signals from all around the world and hear for myself how strong they are. Works FB when I'm too lazy to twist the tuning knob G. But nothing beats tuning around, or the thrill of hearing (or being called by DX) on an otherwise dead band. 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
RE: [Elecraft] OT: Propagation
Trevor, is 100 milliwatts (0.1 watt) QRP enough? The NCDSF/IARU beacons have been doing just that for years on 20 through 10 meters with transmission from up to 18 countries on a single time-shared frequency in each band. Each beacon transmits its call followed by four dashes. The first at 100 watts, then 10 watts, 1 watt and 0.1 watt. Ron AC7AC -Original Message- Perhaps setting up a WSPR beacon might be of interest. Have a look at http://wsprnet.org/drupal/ Headline: The Weak Signal Propagation Reporter Network is a group of amateur radio operators using K1JT's MEPT_JT digital mode to probe radio frequency propagation conditions using very low power (QRP/QRPp) transmissions. The software is open source, and the data collected are available to the public through this site 73 to all Trevor G0KTN ___ 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 Battery Charging System With out Mods?
I use Don's system described below in #2) with the AA charger and recommend it. It keeps the K2's battery healthy, and I also use it for other gel-cell batteries around the shack. Plus, when out in the field, the added power jack on the back of tyhe K2 makes a convenient spot to connect an analog expanded-scale DC voltmeter to monitor the state of charge (even though the K2 can also monitor its own voltage). The meter I use is a Zantum Technologies model ZAPV15 12 Volt Lead Acid Battery Capacity Charge Meter with a nice multi-colored scale. 73, John W2XS 2) Make a direct connection to the battery and use a 2 or 3 state charger designed specifically for charging gel cells. The AA Smartcharger is one example. See my website www.w3fpr.com for information related to 2) above. -- View this message in context: http://n2.nabble.com/K2-Battery-Charging-System-With-out-Mods--tp1120435p1122331.html Sent from the Elecraft mailing list archive at Nabble.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 arrival
Thanks for the report!!! Good to know how things are moving forward... Hope you have a fun weekend. Don't lose any parts!!! Elecraft is closed for over 48 hours from now! :) On Fri, Sep 26, 2008 at 1:08 PM, [EMAIL PROTECTED] wrote: Hello Well K3 s/n 1802 arrived this afternoon,ordered June 8th, so guess what I will be doing this weekend! 73 Scott N5SM ___ 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] need Elecraft invoice
Please Elecraft, I begged u direct, twice; Now I beg u via reflector: PLEASE send to me by email my latest invoice for K3-100F #309. I paid; now show me what I paid for. Thanks, Charles Harpole [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
Re: [Elecraft] Elecraft Rigs in Emergency Service...
A very good idea. I'll bet not very many know about it unless they are old timers. A lot of people were preoccupied with the Washington State Salmon Run last weekend. Most activity was on 80 and 75 because of the skip. I wonder how many would have taken time out to help if they had been aware of what was going on. Contesters are good operators. I am one myself. But, emergenies first. Constesting second. 73, Steve Brandt N7VS Portland, Oregon I wonder if the Ham injured in the mountains knew to use QRRR? I wonder how many Hams today know what it means? Perhaps he got lucky hearing that guy tune up and getting an answer to his call before he needed it. Ron AC7AC I wonder if he would be advised to use QRRR, if most hams don't know what it means? Rick Dettinger K7MW ___ 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] SSB transmit issue after using K3 Utility
In response to my issue that my SSB voice sounded garbled after using the K3 Utility to adjust crystal parameters. How did your voice sound when you used the Monitor function? Nelson, I use a headset microphone and had the monitor in my ears. There was nothing unusual in the monitor. When they first mentioned the issue I thought I might have mistaken the mic gain or compression control for the bandwidth control and messed one or the other of these up. I first checked those and they had not changed. My voice sounded okay in the monitor as I recall. The power off reset is what brought it all back to normal. Mike Scott AE6WA Tarzana, CA K3/100 SN508 ___ 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
