Another thought, Andy, after I re-read your post on this topic. The K3 permits per-band TX power control. I wonder if you inadvertently got into that mode on 80 and 30 meters? It is easy to check in the menu system. That would be much easier fix than looking into the bandpass filter bank.
73, Mike, K8CN ______________________________________________________________ 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]

