You may want to try choking the feedline at the antenna and more importantly at the amp end with mix 31 or 43 chokes.
The high swr is likely the symptom not the problem. Mike va3mw > On Mar 9, 2019, at 10:05 PM, Peter Dougherty <li...@w2irt.net> wrote: > > Jim, this is with the internal tuner in either mode--bypassed or inline. If I > sit on 3504, I'm about 1.65:1 natively. I could run that without a tuner or > with. But in either case, it faults out instantly with QRO power applied. The > SWR seems to go haywire on the lower frequency ranges of the 80m band. > > - pjd > > -----Original Message----- > From: elecraft-boun...@mailman.qth.net <elecraft-boun...@mailman.qth.net> On > Behalf Of Jim Brown > Sent: Saturday, March 9, 2019 5:46 PM > To: elecraft@mailman.qth.net > Subject: Re: [Elecraft] 80m KPA1500 High reflected power problems > > Hi Peter, > > The KPA 1500 has a built-in antenna tuner. Is it possible that it's not set > up, or is not set up correctly, or is not being used correctly? Perhaps the > wrong operating mode for it, or it's calling up wrong memorized settings? I > don't own one, but borrowed one from K6XX while he was at WRTC. I mostly used > it on 6M, plus the few hours 20M was open to DL enough to work the WRTC > stations. > > 73, Jim K9YC > > ______________________________________________________________ > 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
