The easiest solution is to buy the Top Ten band decoder for your specific rig. www.qth.com/topten They make decoders for Yaesu and Icom rigs that will work "off the shelf." Those using Yaesu rigs can also look to Unified Microsystems for a simple PCB that decodes Yaesu rigs. www.unifiedmicro.com Terry Zivney, N4TZ/9