Hmmm if so, the website is not up to date: Current K3 Firmware Revisions MCU 4.39 / DSP 2.73 July 6, 2011 BETA RELEASE (Pre-release evaluation and test) 73 -- View this message in context: http://elecraft.365791.n2.nabble.com/K3-Firmware-4-39-tp6669777p6669855.html Sent from the Elecraft mailing list archive at Nabble.com.