It is normal. K3 isn't the "smoothest" bandtuner. (but the upside is a very clean LO signal, once the VFO is settled) 73' Paul PD0PSB -- View this message in context: http://n2.nabble.com/K3-and-AM-RX-tp4774105p4774270.html Sent from the Elecraft mailing list archive at Nabble.com.