Now that you have a KAT-3, you have 2 antenna ports. Is there any chance that the wrong one is selected for those bands?
73, geo - n4ua On Mon, Dec 14, 2015 at 4:27 PM, Jan Ditzian <[email protected]> wrote: > My K3 has been having RF feedback problems with an 80 meter antenna. In > order to resolve things, I built an 80-meter dipole to use as a test > antenna. While all this was happening, over the past few months, I also > added a used KAT-3 tuner and a KXYN3A to replace the original synthesizer. > > After building the dipole, I was puzzled that it would not tune up on 80. > I do not know why it took me a week, but I finally checked out the rig on > my dummy load. It shows a high SWR on the dummy for all wavelengths > greater than the 40-meter band--60, 80, and 160. The rig works just fine on > 14 mHz. and up, and I can certainly tune it up on 40 meters. Further > checking shows that there is no output on 60-160, whether using the Tune > mode at 5 watts or CW mode at 70 watts. > > I have no idea when or why this happened, but I really need to know the > how it happened, so I can fix it. Can someone give me some guidance on > what to look at to figure this out? It is possible that resolving this > problem will also result in a resolution of the RF feedback problem, > although I won't count on that. > > 73, > > Jan, KX2A > ______________________________________________________________ > 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]

