Yes - thank you guys. The factory offsets for the tvtr unit seem to have been set for the 146 band not 144. Now corrected this in Config and we are all OK. 73 Roger GW4WND -- View this message in context: http://elecraft.365791.n2.nabble.com/K3-K144XV-frequency-accuracy-tp6487141p6495165.html Sent from the Elecraft mailing list archive at Nabble.com.