Merlin, Yes, I would suspect a faulty solder connection before anything else. Since it is confined to 40 meters and happens with a dummy load, I would look in the 40 meter low pass filter area first - especially for poorly tinned toroid leads.
73, Don W3FPR > -----Original Message----- > > If it ain't one thing, it's another. Having just fixed the AGC > problem in > my K2 (2631), enjoying the beautiful radio, weirdness has again struck. > > I get high SWR on 40 meters after I cut the output down, to raise > it again > for full output. When I back the power off to minimum, there's the high > reflected power indication, about 9 to one. When I run the power > back up, the SWR > again behaves. Souns like antenna glitches, no? > > The antenna is a big loop (240 feet) open at the top, fed with > 450 ohm open > wire line. I use an SGC 230, and the combination with my K2-100 > has been > perfect. When I back off the power, only on forty meters, the > SWR goes crazy. > Only on forty. All other bands tune thru the tuner just fine. > So, thinking > still it must be the antenna, I ran the K2 into a dummy load. > Same Thing > Happens !!!!!!!!! > > Is there a bad solder joint in the low pass filter on the K2?; > that lets it > operate at some power levels but shows high levels of spurious > transmitted > signal sometimes? > > I don't get it. Any ideas? > > Merlin, W3ICT, [EMAIL PROTECTED] > _______________________________________________ > Elecraft mailing list > Post to: Elecraft@mailman.qth.net > You must be a subscriber to post to the list. > Subscriber Info (Addr. Change, sub, unsub etc.): > http://mailman.qth.net/mailman/listinfo/elecraft > > Help: http://mailman.qth.net/subscribers.htm > Elecraft web page: http://www.elecraft.com > > _______________________________________________ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
