Craig,
I saw the same problem on S/N 593 yesterday after the upgrade, I had SWR 3.0 on 20m band only. I tried switching bands, changing the tune power etc and it sometimes went away. Today I can't reproduce the problem anymore ... I don't have the build-in tuner by the way. - Wim Craig D. Smith wrote: > > > My first real problem (or operator error?) with K3 SN 608 just occurred. > I > got on 20 CW with my usual antenna (a resonant dipole) and the K3 is > showing > a 2:1 SWR and folding back power. I bypass the tuner with this antenna > since its SWR is in the 1.2 to 1.3 range. My external SWR meter shows the > usual 1.3. If I engage the K3 tuner it will tune to a 1:1 indication on > the > K3 meter and register the requested output power, but the actual output > power measured externally is in the range of 70 to 80 W for 100W on the K3 > meter. > > Next I tried a known good dummy load and the K3 acts the same with it - > indicates a 2 to 1 SWR. Interestingly, it works fine with the dummy load > on > all the other bands (shows 1.0 to 1 SWR) except 20. It has worked fine > before on 20 with this same antenna and as far as I know nothing has > changed. I'm running firmware version 1.78. > > Will welcome any ideas or suggestions > > Thanks > ... Craig AC0DS > > > _______________________________________________ > Elecraft mailing list > Post to: [email protected] > You must be a subscriber to post to the list. > Subscriber Info (Addr. Change, 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://www.nabble.com/K3-Single-Band-SWR-problem-tp17070719p17071495.html Sent from the Elecraft mailing list archive at Nabble.com. _______________________________________________ Elecraft mailing list Post to: [email protected] You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
