Some years ago I had a problem that could be described that way. I have the 2nd rx installed so there are two synths. I switched them around and the problem went away. Shortly thereafter, I upgraded the synths to the K3A type, so I didn't pursue it further. Good luck.
Victor 4X6GP On Fri, Jan 16, 2026, 16:04 Mike Maloney via Elecraft < [email protected]> wrote: > Anyone else ever heard Double Side Tone TX output from K3 in CW mode? > 73, Mike AC5P > ______________________________________________________________ > Elecraft mailing list > Home: http://mailman.qth.net/mailman/listinfo/elecraft > Help: http://mailman.qth.net/mmfaq.htm > Post: mailto:[email protected] > > This list hosted by: http://www.qsl.net > Please help support this email list: http://www.qsl.net/donate.html > Message delivered to [email protected] > ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[email protected] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to [email protected]

