Hi, have extra to my needs, a very clean outboard vfo for original Corsair 560... $90 shipped CONUS also, optional filters 250 hz, 500 hz, 1.8 khz, $60 each shipped ND0CW dave heintzleman 228 Akin St Newburg, ND 58762 701 272 6123 nd0cw at srt.com