I see that on the Elecrafts web site that the Main DSP board up grade for the K3 was to be available at the end of last year. I'm still waiting price and availabilty... Ed KD7PY ex K7WIA -- View this message in context: http://elecraft.365791.n2.nabble.com/K3-upgrade-tp7612335.html Sent from the Elecraft mailing list archive at Nabble.com.