[Elecraft] K3 Ground Loop Issues using Ameritron ARB-704
I've just gotten my K3 built and integrated into the shack about a week ago. Operated WPX CW this weekend with GREAT success. Was very happy. Tonight in setting up FSK, I was getting a lot of "AGN?" after my cq's. Listening to my signal on a 2nd receiver, I realized that my signal had a hum on it - basically sounded terrible. Tested in CW mode as well, and the hum was also there (haven't dug out the mic yet for the dreaded SSB mode to know if the hum was there as well, but I would suspect it would have been). Tried changing a bunch of menu settings to no avail. Then I disconnected everything from the back of the K3 except for the antenna, power and FSK input. Beautiful clean signal. The hum reappeared when I connected the amp keying line. I've been using the Ameritron ARB-704 Amp Keying buffer, and even though the K3 can handle the relay voltage on my AL-80 (the key voltage is not in the AL-80 manual, but I believe it's 125v), I've kept in in line. However this seems to be the item causing the hum. When I take it out of the line, and connect the rig directly to the amp, no hum. My shack is NOT well RF grounded, and things are not bonded together at this point (that's a needed project - but the ARB-704 doesn't have a ground post to connect to - I'd have to go directly under one of the case screws to ground it). Anybody else experience this? Am I correct in my deduction that the K3 key out relay will handle the relay voltage on the AL-80? If so, I'll just ditch the ARB-704 for now. Thanks. 73 de Al, KE1FO - Visit my amateur radio contesting blog at ke1fo.wordpress.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] Save Dual PB as filter preset or custom norm setting?
I'd like to utilize a narrow/wide filter pair for RTTY. However I want the narrow filter to be a dual passband filter. Is there a way to store a dual pb filter as a filter preset or a custom norm filter setting? Even better would be a single button push (instead of a push turn) where holding the xfil button to get out of dual bp would return the rig to the previous filter setting, rather than what seems to be a default for RTTY of 500hz. Thanks! 73 de Al, KE1FO - Visit my amateur radio contesting blog at ke1fo.wordpress.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
Re: [Elecraft] Save Dual PB as filter preset or custom norm setting?
Not even any thoughts on this issue? 73 de Al, KE1FO - Visit my amateur radio contesting blog at ke1fo.wordpress.com. On Thu, Jun 4, 2009 at 9:37 PM, Alfred Frugoli wrote: > I'd like to utilize a narrow/wide filter pair for RTTY. However I want the > narrow filter to be a dual passband filter. Is there a way to store a dual > pb filter as a filter preset or a custom norm filter setting? Even better > would be a single button push (instead of a push turn) where holding the > xfil button to get out of dual bp would return the rig to the previous > filter setting, rather than what seems to be a default for RTTY of 500hz. > > Thanks! > > 73 de Al, KE1FO > > - > Visit my amateur radio contesting blog at ke1fo.wordpress.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
Re: [Elecraft] OT: Ham Radio Stores in Vermont
We've got Radio Shack! But that's about it. 73 de Al, KE1FO from the beautiful "west coast of New England" K3 #3055 K3 #4094 - Check out my Amateur Radio Contesting blog at ke1fo.wordpress.com. On Sat, Nov 20, 2010 at 11:15 AM, wrote: > Guys, >I know this is off topic but I will be working at IBM's > facility in Essex Junction, VT next week and wondered if there were any > ham radio > or electronic surplus stores in the area? > > I was last there 8 years ago and there wasn't much in the area as I > recall... > > > 73's > > Vic Tuff > G7PYR > __ > 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] 5 watt calibration fails - help
Hello everyone, Putting together K3 SN 4094, and running into the following problem when trying to complete the 5 watt transmitter calibration procedure from within the K3 Utility. Please see text below for the response from the K3 Utility. Any thoughts? As you can see, I tried running the calibration process a few times, and each time I reached the same result - although in different places. Starting 5 watt calibration Calibrating at 1.900 MHz Calibrating at 3.750 MHz Calibrating at 5.366 MHz IsSamplingComplete: Unexpected response "DS1\xB0>I\x90\x80;" to "DS;" State 153 Calibration power settled at " 5.2 W ;" 5 watt calibration failed Elapsed time: 12 seconds Starting 5 watt calibration Calibrating at 1.900 MHz Calibrating at 3.750 MHz IsSamplingComplete: Unexpected response "DS1\xB0>I\x80\x80;" to "DS;" State 153 Calibration power settled at " 5.2 W ;" 5 watt calibration failed Elapsed time: 11 seconds Starting 5 watt calibration Calibrating at 1.900 MHz IsSamplingComplete: Unexpected response "DS1\xB0>I\x80\x80;" to "DS;" State 153 Calibration power settled at " 5.2 W ;" 5 watt calibration failed Elapsed time: 6 seconds Starting 5 watt calibration Calibrating at 1.900 MHz Calibrating at 3.750 MHz IsSamplingComplete: Unexpected response "DS1\xB0>I\x80\x80;" to "DS;" State 153 Calibration power settled at " 5.2 W ;" 5 watt calibration failed Elapsed time: 12 seconds 73 de Al, KE1FO - Check out my Amateur Radio Contesting blog at ke1fo.wordpress.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
Re: [Elecraft] 5 watt calibration fails - help
Forgot to mention in my original post, the rig was shipped with the most recent firmware already installed (MCU 3.79/DSP 2.54)*.* * *73 de Al, KE1FO - Check out my Amateur Radio Contesting blog at ke1fo.wordpress.com. On Sat, Mar 27, 2010 at 11:28 PM, Alfred Frugoli wrote: > Hello everyone, > > Putting together K3 SN 4094, and running into the following problem when > trying to complete the 5 watt transmitter calibration procedure from within > the K3 Utility. Please see text below for the response from the K3 > Utility. Any thoughts? As you can see, I tried running the calibration > process a few times, and each time I reached the same result - although in > different places. > > Starting 5 watt calibration > Calibrating at 1.900 MHz > Calibrating at 3.750 MHz > Calibrating at 5.366 MHz > IsSamplingComplete: Unexpected response "DS1\xB0>I\x90\x80;" to "DS;" > State 153 > Calibration power settled at " 5.2 W ;" > 5 watt calibration failed > Elapsed time: 12 seconds > Starting 5 watt calibration > Calibrating at 1.900 MHz > Calibrating at 3.750 MHz > IsSamplingComplete: Unexpected response "DS1\xB0>I\x80\x80;" to "DS;" > State 153 > Calibration power settled at " 5.2 W ;" > 5 watt calibration failed > Elapsed time: 11 seconds > Starting 5 watt calibration > Calibrating at 1.900 MHz > IsSamplingComplete: Unexpected response "DS1\xB0>I\x80\x80;" to "DS;" > State 153 > Calibration power settled at " 5.2 W ;" > 5 watt calibration failed > Elapsed time: 6 seconds > Starting 5 watt calibration > Calibrating at 1.900 MHz > Calibrating at 3.750 MHz > IsSamplingComplete: Unexpected response "DS1\xB0>I\x80\x80;" to "DS;" > State 153 > Calibration power settled at " 5.2 W ;" > 5 watt calibration failed > Elapsed time: 12 seconds > > 73 de Al, KE1FO > > - > Check out my Amateur Radio Contesting blog at ke1fo.wordpress.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] ERR TXG when running 50 watt TX calibration procedure
Hello everyone again, Thanks for the quick replies on the K3 Utility errors I was having last night. 5W TX manual calibration worked just fine. Now I've got my KPA3 installed, and when trying to run the manual 50 watt TX calibration procedure, after going in to Tune mode (pressing and holding XMIT/TUNE for 1 second), the display shows "- -" in VFO A and "0W" in VFO B. When I press XMIT/TUNE again to exit from Tune mode, VFO B reads ERR TXG. I have my FLTX set to FL1 ,which is the 2.7K filter, for all modes. I have run the Synthesizer calibration procedure already, as well as the Reference Oscillator calibration using Method 2 (zero-beating). Thoughts? 73 de Al, KE1FO - Check out my Amateur Radio Contesting blog at ke1fo.wordpress.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] BCD voltage
Hello, I'm working on wiring up a band decoder to the ACC port on the back of the K3. I'm seeing 3V when a BCD pin is active. The rig is SN 4094. The manual says that "older" rigs may need a pull up resistor. I wouldn't have thought that a brand new out of the warehouse rig would have been an "older" K3. Am I missing something? Thanks. 73 de Al, KE1FO - Check out my Amateur Radio Contesting blog at ke1fo.wordpress.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] ERR TXG problem.
Hi David, I ran into a similar problem a few weeks ago. Are you using the latest K3 Utility? Try using the manual calibration procedure in the K3 Manual. Does that work? I had a similar problem that was related to an updated that the K3 Utility needed. I think the latest K3 Utility is on the web site now though. Good luck. 73 de Al, KE1FO K3 #3055 K3 #4094 - Check out my Amateur Radio Contesting blog at ke1fo.wordpress.com. On Sat, Apr 17, 2010 at 10:49 AM, David Quental wrote: > Hello a > > since yesterday I am at my home and have begun to assemble my Elecraft > K3. All went fine until I have reached the ERR TXG problem. When I use > the Elecraft K3 Utility I get always the same: > > Starting 5 watt calibration. > Calibrating at 1,900 MHz > Calibration power settled at ' 0.0 W ;' > 5 watt calibration failed. > Elapsed time: 8,9 secs > > Any help will be welcome, tks in advance. > > CT1DRB > David Quental > > __ > 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] Samelex Power Supplies with a K3
I have one I bought a few months ago to go with my new K3. Works great. I do not notice any hash, and the fan noise hasn't bothered me yet (but then again I'm usually running 2 rigs, 2 power supplies and 2 amps, all at the same time. The PS fan is NOT the loudest thing in my shack by any means. 73 de Al, KE1FO K3 #3055 K3 #4094 - Check out my Amateur Radio Contesting blog at ke1fo.wordpress.com. On Sun, May 23, 2010 at 12:17 AM, N1JM wrote: > > Anyone using a SEC1235 with there K3? Much RF hash? > > John N1JM > -- > View this message in context: > http://elecraft.365791.n2.nabble.com/Samelex-Power-Supplies-with-a-K3-tp5089932p5089932.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] [K3] K3NA on 5 pole vs 8 pole filters
Fellow Elecrafters, I remember reading a comparison by I think K3NA on the differences between 5 pole and 8 pole filters that eventually lead me to stick with the 5 pole filters. Does anybody know what I'm thinking of, because Google searches, and Nabble searches of the Elecraft archives aren't turning anything up, and I've gotten no response from direct contact with K3NA (maybe I have an old e-mail). 73 de Al, KE1FO K3 #3055 K3 #4094 - Check out my Amateur Radio Contesting blog at ke1fo.wordpress.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
