Paul, Connect a dummy load in place of the antenna and repeat your testing. This will eliminate the antenna as a possible source of RFI.
Report the results of your tests, GL! *Ken* *WA2LBI* On Fri, Jan 12, 2024 at 4:47 PM Paul Ecker <ecke...@gmail.com> wrote: > I am experiencing a new problem for me, with my KAT 500. So far I've > noticed this issue on 30M. I am using a dipole cut only for 30M with an SWR > of 1.2 to 1.3 max SWR across the band. I “trained the tuner” at 20khz > segments on 30M. > > Setup is K4D, KAT 500 & KPA 500. Win 10 pc. > > Running CW, I can start transmitting and all is fine- my LP100A is showing > 1.2 SWR and am getting max power out of the radio. Then all of sudden the > SWR jumps to >9.0. The KAT starts chattering and finds a new match. But if > I start transmitting again – pwr out is only about 10 W at that new match, > and eventually the tuner becomes untuned again. Sometimes, it will then > hold the tune but still only getting abt 9-10w power out. The issue occurs > with KPA500 both on and off. > > Does this sound like a KAT 500 problem or maybe an RFI problem. > > > 73 Paul > > w2eck > ______________________________________________________________ > 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 > Message delivered to wa2...@gmail.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 Message delivered to arch...@mail-archive.com
