Dave, I was typing a reply when Don's message appeared, which is likely the correct information. I can only add that the parasitic oscillation is probably out of the "range" of your antenna as indicated by the high SWR. The dummy load doesn't care / know if the RF from the PA is on a "correct" frequency / band. (:-)
73! Ken Kopp - K0PP ______________________________________________________________ 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