I use N1MM+ through the KXPA100 weekly and have no issues. Check the baud rate. Should be 38,400. Make sure KX3 is selected as radio. -- View this message in context: http://elecraft.365791.n2.nabble.com/N1MM-KX3-and-KXPA100-tp7616961p7616969.html Sent from the Elecraft mailing list archive at Nabble.com.