Title: National XR-50 Coil Data Post by: kc2we on April 27, 2017, 07:40:50 AM National XR-50 Coil Data attached. Gives approximate resonance results. If you find one in a flea market and not in a sealed package, this 'cheat sheet" is likely missing. Seth KC2WE AMfone - Dedicated to Amplitude Modulation on the Amateur Radio Bands
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