Check all of your connections such as PL-259 and SO-239. I once had the same problem with a dipole antenna and a loose shield wire would disconnect and put my SWR >9. You could also have a bad kink in your coax cable.
Good Luck Sent with Proton Mail secure email. On Friday, January 12th, 2024 at 1:46 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 n6...@protonmail.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
