OK I just did a test using the XG3 set at the 1uv & 50uv level and I can dip the S meter. it dips the signal level of the XG3 shown on the S meter... Ed K7WIA -- View this message in context: http://elecraft.365791.n2.nabble.com/RF-gain-sweet-spot-tp6604787p6608708.html Sent from the Elecraft mailing list archive at Nabble.com.