OTOH, I may be remembering something similar in the K2 I previously had. I can't find any such election in the K3 manual or the KAT3 manual. hmm... jim ab3cv -- View this message in context: http://elecraft.365791.n2.nabble.com/K3-Aux-RF-tp7575344p7575346.html Sent from the Elecraft mailing list archive at Nabble.com.