Aftronics Super Scaf filter (thumbwheel switched bandpass filter) $40 Ten Tec model 221 9 MHz IF filter for OMNI's, Paragons (center frequency of 400 Hz) $55. Clark WA3JPG -- FAQ on WWW: http://www.contesting.com/FAQ/tentec Submissions: tentec@contesting.com Administrative requests: tentec-REQUEST@contesting.com Problems: owner-tentec@contesting.com