I just reread Dons post, and he says less than 10mV, so I guess I have some trouble shooting to do with that first, Jeremy VA3ZTF -- View this message in context: http://elecraft.365791.n2.nabble.com/KAT100-Power-Calibration-Problem-tp7584832p7584865.html Sent from the Elecraft mailing list archive at Nabble.com.