Re: [Elecraft] K2 #7379 troubleshooting
Thanks Don, I started on the Transmit Signal Tracing & did the receieve signal tracing as suggested at point 5 in the preparation for transmitter signal tracing section. VFO & BFO frequencies checked out ok. I'll try your suggestion of changing the crystal frequency & carry on with the transmit signal tracing. 73 Brian G0WZX - Original Message - From: "Don Wilhelm" To: "Brian Stevens" ; Sent: Sunday, November 03, 2013 9:15 PM Subject: Re: [Elecraft] K2 #7379 troubleshooting Brian, If the test oscillator crystal is at 10 MHz, it *should* be very attenuated by the 40 meter Low Pass Filter. The K2 40 meter LPF cutoff is in the range of 8.5 MHz, so it cannot be expected to pass a 10 MHz signal. If you have a crystal in the 40 meter band, you could substitute it for the 10 MHz crystal and try those measurements again. If you do not have such a crystal, go forward in the Troubleshooting procedure to Transmit Signal Tracing and try those steps. Do not skip the oscillator checks - VFO and BFO that are in the Receiver Signal Tracing part of the tests. One thing about the Signal Tracing steps - work in the order listed, one point depends on the one before it being OK. Once you come to the first step where the output is significantly (greater than 10%) lower than the Expected value, stop because you have just found the output side of the failure point - it will be fruitless to go on to other check points. 73, Don W3FPR On 11/3/2013 3:53 PM, Brian Stevens wrote: Hi, I've hit a snag during 40m tx alignment in being unable to peak L1/L2 to give more than about 500mW o/p with the power setting at 2W. I've gone through the troubleshooting procedure & all checks out ok until I get to the LPF,BPF & T-R switch section of the shared circuit testing. Using the 10Mhz crystal oscillator in the manual with 0.14V at the antenna i/p I get these readings: LPF o/p @ W1 = 0.004V (expected 0.13V) __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
Re: [Elecraft] CW Pitch Resolution
> The next thing you know, someone somewhere is going to claim that Elecraft > radios soldered with 63/37 solder sound superior to those soldered with a > different blend. I used silver solder in the audio section, of course, but now I'm concerned. Should I have used it in the RF sections too? My LV leads are oxygen-free (although the high vacuum pump can be a bit of a pain) and the mains cables are carefully laid true N-S to minimize the distortion caused by the interaction of the Earth's magnetic field with the AC. 73 Gary ZL2iFB -- This message has been scanned for viruses and dangerous content by MailScanner, and is believed to be clean. __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
Re: [Elecraft] kinda like other post K3 turns off.
Thank everyone for you suggestions. Here is what I found and did to fix it. I disassembled my station and then started connecting one thing at a time until I found the problem. It turned out that my Signalink USB sound card was what was picking up the feed back and introducing it back into the K3. I put ferrite beads on everything and also did the aluminum tape mod on the signalink. All is well now. I can run full power with no problems. Thanks again Gerald On Sat, Nov 2, 2013 at 9:00 AM, Martin Ewing wrote: > If the problem came on suddenly, that suggests a connector or wiring > problem. Check to be sure everything is tight and there are no breaks in > the shield, etc. > > 73 de AA6E > > > On 11/02/2013 12:47 AM, KC6CNN wrote: > >> The two antennas are a zs6bkw and a OCF dipole. Both are up about 32 feet >> and >> the ends are 12 foot off the ground. The coax is LMR400 and is new. The >> antennas are located on the opposite side of the house from the shack. The >> amp is powered by a 240 volt plug and the power supply is 110 volt. >> This happens in all modes, CW, Voice, Psk31. It happens on all bands. It >> only happens when the power is increased to 300 watts or higher. >> My station ran great for several months 6 to 12 months. Then all of a >> sudden >> this problem showed up. >> >> I will start filtering everything tomorrow to see if that helps. >> Thanks for the replies I will try your suggestions >> >> Gerald >> >> >> >> >> - >> KC6CNN - Gerald >> K2 # 5486 >> K3 # 6254 >> KX3 # 757 >> -- >> View this message in context: http://elecraft.365791.n2. >> nabble.com/kinda-like-other-post-K3-turns-off-tp7580359p7580362.html >> Sent from the Elecraft mailing list archive at Nabble.com. >> __ >> Elecraft mailing list >> Home: http://mailman.qth.net/mailman/listinfo/elecraft >> Help: http://mailman.qth.net/mmfaq.htm >> Post: mailto:Elecraft@mailman.qth.net >> >> This list hosted by: http://www.qsl.net >> Please help support this email list: http://www.qsl.net/donate.html >> > > __ > Elecraft mailing list > Home: http://mailman.qth.net/mailman/listinfo/elecraft > Help: http://mailman.qth.net/mmfaq.htm > Post: mailto:Elecraft@mailman.qth.net > > This list hosted by: http://www.qsl.net > Please help support this email list: http://www.qsl.net/donate.html > __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
[Elecraft] K3/10 - For Sale
Sad to part with my K3 to pay for emergency home repairs. Oh well, no K3 without a roof on family's head. K3/10 (10W version) - Serial #73XX (Late April 2013) Includes all firmware updates till early October 2013 KAT3 - ATU Modular Kit KFL3A-2.7K - 2.7 KHz 5 pole filter (standard) KFL3A-400 - 400 Hz, 8 pole filter E850323 - 5ppm oscillator (standard) KUSB - Universal Serial Bus Adapter MH2 - K2/K3 Hand held microphone Original manuals and other documentation included. $2050 shipped, to CONUS only. Paypal or postal MO. Please contact off-list. Scammers: Don't even bother. -- VaibhaV Sharma __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
[Elecraft] [KX3] KX3 with Alex
I have the the Alex loop and it works well with the kx3. By minimizing the band width on the kx3 one can tune the loop without transmitting with a little practice. I have used the loop once on a Sota and I worked about 20 stations on 20 meter cw and usb . The contacts were all over the USA. One nice feature about the loop is that no ground wire is needed and tune up and band changing takes maybe 20 seconds seconds or less. I have used a portable tripod that I found at Fry's. I am still trying to optimize weight on the tripod etc. Rich __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
Re: [Elecraft] KPA500 Remote control problem & question
On Sun, Nov 3, 2013 at 12:37 PM, Jim - KE8G wrote: > Hello All, > Well, Murphy raised his ugly head this weekend during the ARRL SSCW contest. > > I am operating remote and everything was working fine; the K3 radio, KTA500 > tuner, and KPA500 amplifier. I was monitoring things via the Elecraft > software for the tuner and amp. I was on 80 meters and saw a HI SWR warning > come on the KPA500 software, but not on the KAT500 software. I clicked the > "Clear Error" area and then received a Comm ERR. > > The KPA500 software seemed to freeze and the only thing I could do was > terminate the program. I re-started the software and it gave me an error > message saying it could not make contact with the KPA500. I closed all the > running programs on the remote PC, and then did a re-boot. All is working > well except for the KPA500 software. I keep getting an error message telling > me the KPA500 remote is not running and it can't find the amp. > > Any ideas that I can do via the Internet? Unless you have a way to remotely cycle the AC supply to the KPA500, you're "SOL". I have a relay on the 220VAC supply going to mine, which runs off the K3's ACC 12V output, so if I power-cycle the K3, the KPA500 follows. It is necessary once in a while, when the firmware hangs. 73, ~iain / N6ML __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
Re: [Elecraft] K2 #7379 troubleshooting
Brian, If the test oscillator crystal is at 10 MHz, it *should* be very attenuated by the 40 meter Low Pass Filter. The K2 40 meter LPF cutoff is in the range of 8.5 MHz, so it cannot be expected to pass a 10 MHz signal. If you have a crystal in the 40 meter band, you could substitute it for the 10 MHz crystal and try those measurements again. If you do not have such a crystal, go forward in the Troubleshooting procedure to Transmit Signal Tracing and try those steps. Do not skip the oscillator checks - VFO and BFO that are in the Receiver Signal Tracing part of the tests. One thing about the Signal Tracing steps - work in the order listed, one point depends on the one before it being OK. Once you come to the first step where the output is significantly (greater than 10%) lower than the Expected value, stop because you have just found the output side of the failure point - it will be fruitless to go on to other check points. 73, Don W3FPR On 11/3/2013 3:53 PM, Brian Stevens wrote: Hi, I've hit a snag during 40m tx alignment in being unable to peak L1/L2 to give more than about 500mW o/p with the power setting at 2W. I've gone through the troubleshooting procedure & all checks out ok until I get to the LPF,BPF & T-R switch section of the shared circuit testing. Using the 10Mhz crystal oscillator in the manual with 0.14V at the antenna i/p I get these readings: LPF o/p @ W1 = 0.004V (expected 0.13V) __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
Re: [Elecraft] [KX3] KX3 with Alex Loop
Dave, This is a good question. I have had line cords which came within inches of the antenna and did not seem problematic but a fan a foot distant was. The one thing is that you can tune in a station and try moving the antenna.I know this is not quantitative - these are just my experiences in a timber frame home. Of course this is not a problem on top a mountain and so maybe the compensations allowed by height and being in the open compensate to a large degree for the antennas deficiencies. The Alex Loop is very portable and can be set up inside a room and it works but I had to work for most of my QSOs. The one exception being at the tail end of a contest when the big guns were hungry in the USA and I worked fourteen Ws running ten watts and the Alex Loop inside the shack. It is impractical to be separated from the Alex Loop by any distance as one needs to tune the antenna if you change frequency by more than 20 kHz or so. Still I could operate and monitor from both my sister's and brother's spare bedrooms.It is neat to be running the KX1 with four watts and work across the Atlantic with a small inside antenna - it can also require some effort. 73 Doug EI2CN P.S. QRP with my 4 element SteppIR at 24M / 80 feet is not the same as QRP with an Alex Loop and 5 Watts. _ From: David Christ [mailto:radio...@mchsi.com] Sent: 03 November 2013 20:14 To: Doug Turnbull Cc: Elecraft Reflector Subject: Re: [Elecraft] [KX3] KX3 with Alex Loop How close is too close? David K0LUM On Nov 3, 2013, at 1:27 PM, Doug Turnbull wrote: You must be selective in where the AlexLoop is positioned; too close to some wires or metal and it may not perform as you would like. 73 Doug EI2CN __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
Re: [Elecraft] K3 - PR6-10 - KPA500 not working together
Ken, It sounds like you are using the "Enhanced Cabling" as shown on page 22 of the KPA500 manual (and using both the DB15HD cable and the PA Keying cable). If so, have you adhered to the *IMPORTANT* note at the bottom of Figure 4 and also the last sentence in the text above that figure? In other words, do you have the Key Line Interrupter installed? You may either remove the PA keying cable(s), or install the Key Line Interrupter at the K3 end of the DB15HD cable. If you built your own cable, you may remove the connection at pin 10 if you wish to retain the PA Keying (PTT) cables. (Make certain your homebrew cable does not connect pins 4, 6, 7, and 8) If that is not your problem, you should contact support for additional assistance. 73, Don W3FPR On 11/3/2013 1:41 PM, Ken Kontor wrote: Help ! I just added a KPA500 to my K3, P3 setup. I have an interface question / problem. I connected the TX keying line connector to my K3, then the Y cable, then the AUX cable to my KPA500. I am using the key out from the K3 to the PA key jack on the KPA500. (All per Elecraft Manual). This seems to be working OK. I also have a PR6-10 preamp connected to the K3 with the control wire going to the appropriate pin of a separate 15 pin plug and a low band receive antenna connected to the preamp in line. DIGOUT is set to ON for 6m, 10m & 12m and OFF for all other bands. If I connect this plug to the ACC connector of the K3 by itself (no cable connected to the KPA500) it works as it should (preamp on for 6m, 10m, & 12m and off for the other bands) and the external receive ant for 160m works as it should. When I connect this plug to the Y cable, it still works as it should, but when I add the AUX cable on the other half of the Y cable, the external receive antenna is disconnected, which seems to indicate that a signal from the KPA-500 is turning on the preamp and stopping the low band antenna from passing through. If I disconnect the AUX cable to the KPA500, everything reverts to working as ir should. __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
[Elecraft] K2 #7379 troubleshooting
Hi, I've hit a snag during 40m tx alignment in being unable to peak L1/L2 to give more than about 500mW o/p with the power setting at 2W. I've gone through the troubleshooting procedure & all checks out ok until I get to the LPF,BPF & T-R switch section of the shared circuit testing. Using the 10Mhz crystal oscillator in the manual with 0.14V at the antenna i/p I get these readings: LPF o/p @ W1 = 0.004V (expected 0.13V) T-R sw #1 o/p @ W6 = 0.003V (expected 0.093V) BPF o/p @ left side of D6 = 0.003V (expected 0.086V) T-R sw #2 o/p @ right side D6 = 0.002V (0.077V) I don't know if it's relevant but the current display in rx mode is higher than the suggested values: 11.8V 0.36A (LCD nite, graph bar) 11.8V 0.30A (LCD day, graph dot) Any advice would be appreciated. 73 Brian G0WZX __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
Re: [Elecraft] KPA500 Remote control problem & question
Restart the amp, Jim. Hope you can power it on/off remotely! Had that only once in my remote setup and power-cycling the map did the trick. 73, Olli - DH8BQA - Original Message - From: "Jim - KE8G" To: Sent: Sunday, November 03, 2013 9:37 PM Subject: [Elecraft] KPA500 Remote control problem & question Hello All, Well, Murphy raised his ugly head this weekend during the ARRL SSCW contest. I am operating remote and everything was working fine; the K3 radio, KTA500 tuner, and KPA500 amplifier. I was monitoring things via the Elecraft software for the tuner and amp. I was on 80 meters and saw a HI SWR warning come on the KPA500 software, but not on the KAT500 software. I clicked the "Clear Error" area and then received a Comm ERR. The KPA500 software seemed to freeze and the only thing I could do was terminate the program. I re-started the software and it gave me an error message saying it could not make contact with the KPA500. I closed all the running programs on the remote PC, and then did a re-boot. All is working well except for the KPA500 software. I keep getting an error message telling me the KPA500 remote is not running and it can't find the amp. Any ideas that I can do via the Internet? Thanks in advance, 73 de Jim - KE8G __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html - E-Mail ist virenfrei. Von AVG überprüft - www.avg.de Version: 2014.0.4158 / Virendatenbank: 3615/6804 - Ausgabedatum: 02.11.2013 __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
[Elecraft] KPA500 Remote control problem & question
Hello All, Well, Murphy raised his ugly head this weekend during the ARRL SSCW contest. I am operating remote and everything was working fine; the K3 radio, KTA500 tuner, and KPA500 amplifier. I was monitoring things via the Elecraft software for the tuner and amp. I was on 80 meters and saw a HI SWR warning come on the KPA500 software, but not on the KAT500 software. I clicked the "Clear Error" area and then received a Comm ERR. The KPA500 software seemed to freeze and the only thing I could do was terminate the program. I re-started the software and it gave me an error message saying it could not make contact with the KPA500. I closed all the running programs on the remote PC, and then did a re-boot. All is working well except for the KPA500 software. I keep getting an error message telling me the KPA500 remote is not running and it can't find the amp. Any ideas that I can do via the Internet? Thanks in advance, 73 de Jim - KE8G __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
Re: [Elecraft] [KX3] KX3 with Alex Loop
How close is too close? David K0LUM On Nov 3, 2013, at 1:27 PM, Doug Turnbull wrote: > You must be selective in where the AlexLoop is > positioned; too close to some wires or metal and it may not perform as you > would like. > > 73 Doug EI2CN __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
[Elecraft] FS: K3/100
A downstairs remodel ended up with me losing most of my workspace...the good news is that it let me justify getting a KX3, so it's time to sell the K3. Just back from a check-up at the factory, this is serial #359 with: Filters on main board: 13, 6, 2.7, 500Hz, 200Hz Sub receiver with 2.7Khz filter KBPF3 general coverage RX bandpass module KDVR3 digital voice recorder KPA3 100W module KAT3 internal ATU KXV3A RX Ant, IF Out and Xverter interface K144XV 2 meter module copy of Fred Cady's K3 book, 2nd edition the factory manual (if I can find it) >From the repair report, they found problems with burnt pins on the KPA3 module, which were replaced along with the corresponding socket. The KXV3A upgrade was added along with the REMIOUPGD, KSYNTH3 stiffeners and K312VMDKT Updates include: 8 volt regulator filter capacitor power meter diode upgrades D36 & D37 new firmware upgraded 8.215 trap with robust components gold pins: 6 pins for 12V, RF board to KPAIO3 riser gold pins: 6 pins for 12V, KPA3 to KPAIO3 riser gold pins: front panel, P30 and P35 their summary reports that the radio meets or exceeds all factory specifications, and I'll include a copy. Current prices for this in kit form is $4262 -- asking $3,300 with FedEx Ground shipping/insurance included to the lower 48. Non-smoking home and except for a couple of rub marks--that you won't see unless you're looking for them--it's an easy 9 out of 10 cosmetic condition, with all controls working as expected. Bob KB7VO __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
Re: [Elecraft] [KX3] KX3 with Alex Loop
Gary, I have a KX3 and KX1 and have operated both portable from Connecticut and from home in EI using this antenna on CW.I have spanned the ocean in both directions while operating with the antenna inside the shack. This is a thrill every time. What I find good about the AlexLoop is the ability to set up in some one's home and make a few QSOs. It is however no wonder antenna and in fairness no Gotham vertical claims are made for it. I would be very sure that the Buddipole is the better antenna but one would want to try them side by side. The Alex Loop does fold up into a nice small case. Have you considered the new SteppIR CrankIR. I think this is a much better antenna when compared to the AlexLoop. Having said all of this I am pleased to have the AlexLoop and it does allow me to get on while travelling without outside wires. You must be selective in where the AlexLoop is positioned; too close to some wires or metal and it may not perform as you would like. 73 Doug EI2CN -Original Message- From: elecraft-boun...@mailman.qth.net [mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Gary Hawkins Sent: 03 November 2013 16:00 To: elecraft@mailman.qth.net Subject: [Elecraft] [KX3] KX3 with Alex Loop First thanks to all those that responded to my request to see a KX3 - that was achieved this weekend. I'm looking to setup a light weight SOTA setup. In addition to the KX3, I also saw a mini-buddipole and while it seems to be well manufactured and comes in a nice case it weighs about 2.5lbs, plus mast with either guys or tripod. An end-fez sloper would be extremely light but here in southern CA our peaks are short on trees, thus requiring at least one telescoping pole. This has led me to consider the Alex Loop - appears very light, fast to setup, no need to get it more than 5ft of the ground. Being a mag loop should help with QRM at local urban QTH as well. I'd love to hear from anyone using the Alex Loop with a KX3, and if you tried other SOTA type antennas as well all the better. Gary KK6GXD __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
[Elecraft] K3 - PR6-10 - KPA500 not working together
Help ! I just added a KPA500 to my K3, P3 setup. I have an interface question / problem. I connected the TX keying line connector to my K3, then the Y cable, then the AUX cable to my KPA500. I am using the key out from the K3 to the PA key jack on the KPA500. (All per Elecraft Manual). This seems to be working OK. I also have a PR6-10 preamp connected to the K3 with the control wire going to the appropriate pin of a separate 15 pin plug and a low band receive antenna connected to the preamp in line. DIGOUT is set to ON for 6m, 10m & 12m and OFF for all other bands. If I connect this plug to the ACC connector of the K3 by itself (no cable connected to the KPA500) it works as it should (preamp on for 6m, 10m, & 12m and off for the other bands) and the external receive ant for 160m works as it should. When I connect this plug to the Y cable, it still works as it should, but when I add the AUX cable on the other half of the Y cable, the external receive antenna is disconnected, which seems to indicate that a signal from the KPA-500 is turning on the preamp and stopping the low band antenna from passing through. If I disconnect the AUX cable to the KPA500, everything reverts to working as ir should. Any ideas as to how to make these two devices work together ??? Ken - W8KEN __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
[Elecraft] Elecraft CW Net Announcement
Good Morning, Due to the time change for most of us in the US the nets' UTC times have changed. Local times remain the same as always but the Zulu times change. So just remember to get on at the same time you always do and you'll be fine (except where Daylight Savings Time has never encroached). Seeing a two hour time change as I drove over the Hoover Dam was disconcerting :) Frequencies: 14050 +/- kHz and 7045 +/- kHz Twenty meter net is at 3 PM PST or PDT while the forty meter net is at 6 PM PST or PDT. These times may change in the near future as the sun continues its move southward. 73, Kevin. KD5ONS Now to keep repairing files after the crash this morning. KJR. __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
Re: [Elecraft] [KX3] KX3 with Alex Loop
Hi Gary - I've been using the AlexLoop with my KX3 on SOTA, and it has worked extremely well for me. The only real downside to it is expense, but if you can get past that you should be very happy with it. I usually activate with W5ODS who uses an EARCHI end fed with a 32 foot telescoping pole. He seems to get slightly better signal reports (very uncontrolled observation), but it does take a little bit longer for him to set up, and of course he has to carry the pole - though it hasn't seemed to be a problem even when bushwhacking. Of course when doing SOTA, CW at least, there is never a dearth of contacts, so even if a wire solution were more efficient in the end, it doesn't really matter much when activating. It isn't too hard to find the area of the sweet spot when tuning on receive. I find I usually want to have the preamp on +20dB and the filter wide on 20m and above to be able to easily hear the increase in atmospheric noise while tuning the loop since it is usually so RF quiet on peaks. Once you are tuned, you can turn the preamp off - the signals come booming in. During the final tune with transmit, I do fine using some dits and the bar graph on the KX3, others like to use the numerical indication that shows when pushing the TUNE button (with the ATU disabled of course). Chip AE5KA On Sun, Nov 3, 2013 at 10:00 AM, Gary Hawkins wrote: > First thanks to all those that responded to my request to see a KX3 - that > was achieved this weekend. > > I'm looking to setup a light weight SOTA setup. In addition to the KX3, I > also saw a mini-buddipole and while it seems to be well manufactured and > comes in a nice case it weighs about 2.5lbs, plus mast with either guys or > tripod. An end-fez sloper would be extremely light but here in southern CA > our peaks are short on trees, thus requiring at least one telescoping pole. > This has led me to consider the Alex Loop - appears very light, fast to > setup, no need to get it more than 5ft of the ground. Being a mag loop > should help with QRM at local urban QTH as well. > > I'd love to hear from anyone using the Alex Loop with a KX3, and if you > tried other SOTA type antennas as well all the better. > > Gary > KK6GXD > __ > Elecraft mailing list > Home: http://mailman.qth.net/mailman/listinfo/elecraft > Help: http://mailman.qth.net/mmfaq.htm > Post: mailto:Elecraft@mailman.qth.net > > This list hosted by: http://www.qsl.net > Please help support this email list: http://www.qsl.net/donate.html > __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
[Elecraft] [KX3] KX3 with Alex Loop
First thanks to all those that responded to my request to see a KX3 - that was achieved this weekend. I'm looking to setup a light weight SOTA setup. In addition to the KX3, I also saw a mini-buddipole and while it seems to be well manufactured and comes in a nice case it weighs about 2.5lbs, plus mast with either guys or tripod. An end-fez sloper would be extremely light but here in southern CA our peaks are short on trees, thus requiring at least one telescoping pole. This has led me to consider the Alex Loop - appears very light, fast to setup, no need to get it more than 5ft of the ground. Being a mag loop should help with QRM at local urban QTH as well. I'd love to hear from anyone using the Alex Loop with a KX3, and if you tried other SOTA type antennas as well all the better. Gary KK6GXD __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
Re: [Elecraft] SSB net announcement
I forgot to mention the frequency. It’s the standard one, 14.3035 MHz. On Nov 2, 2013, at 9:41 PM, Phil Shepard wrote: > The weekly Elecraft SSB net will meet tomorrow, Sunday, November 3, 2013 at > 1800z. The UTC time remains the same as last week, but your local time will > probably change. I will be the NCS from Western Oregon with relays from > coast to coast. See you then. > > 73, > Phil, NS7P > > __ > Elecraft mailing list > Home: http://mailman.qth.net/mailman/listinfo/elecraft > Help: http://mailman.qth.net/mmfaq.htm > Post: mailto:Elecraft@mailman.qth.net > > This list hosted by: http://www.qsl.net > Please help support this email list: http://www.qsl.net/donate.html __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
Re: [Elecraft] KAT500 VFWD reading in watts
Don, I don't know the exact formula, but I can say that the power is proportional to the voltage squared. If you really want to do that, I would suggest that you set the power to several different levels and compare the square of the VFWD to the power output - see what the common factor is and use that - or make a graph. If you have the KPA500, I would thnk determining the power out is even easier - the KPA500 displays the power, and that will be correct *if* the SWR is low. 73, Don W3FPR On 11/3/2013 7:49 AM, Goldtr8 (KD8NNU) wrote: Does anyone know how to convert the VFWD readings from the KAT500 software to actual watts out? If I knew this reference calculation then I could eliminate my W2 from the system. I guess I could do lots of measurements to get close but if some knows and can share it would be a lot quicker. __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
[Elecraft] Wanted KXPD3 paddles
Anyone have this option for sale? I am looking for these paddles. Please email me direct. Thanks, Mike K0AZ Mike Sanders EM37cd SW Missouri www.k0az.com __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
[Elecraft] KAT500 VFWD reading in watts
Does anyone know how to convert the VFWD readings from the KAT500 software to actual watts out? If I knew this reference calculation then I could eliminate my W2 from the system. I guess I could do lots of measurements to get close but if some knows and can share it would be a lot quicker. Thanks Don ~73 Don KD8NNU -.- -.. ---.. -. -. ..- __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
