Current K3 Firmware Revisions
MCU 4.39 / DSP 2.73 July 6, 2011 :: BETA RELEASE (Pre-release evaluation and test)
http://www.elecraft.com/K3/k3_software.htm
---
P3 Firmware Revisions
MCU 1.09 / July 6, 2011 :: BETA RELEASE (Pre-release evaluation and test)
http://www.elecraft.com/software/P3/...3_software.htm