FRG-7 tuning LED replacement and SSB filter
In the late 1970s, Yaesu’s FRG-7 communication receiver was a real step forward. It covers Long Wave through to 30MHz in 1Mhz chunks using the Wadley Loop system to synthesize the frequency which has negligible drift which my previous receiver the Trio 9R-59DS certainly suffered from! After selecting the band you ‘tune in’ the MHz … Read more