On Mon, 30 Dec 2002 23:19:10 -0800 (PST), Mike Manny, VE3PNO wrote: >Hello.. does anyone know if the FC-20 Antenna Tuner >will work with the FT-840? I know it's supposed to be >the FC-10, but will the 20 work also? I asked the Yaesu-Service. No, it will not work. Different Data Protokoll, was the answer.