The K24U software has been upgraded with a minor change to include mouse wheel control. The mouse wheel can now be used to change the VFO or RIT/XIT offset frequency. K24U is a software application that will control a K2 Transceiver via an RS-232 communication port. You can find the latest version 1.1.2 on the new web site at: K24U Software http://www.kc4ydp.com 73's Jerry KC4YDP