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With my SO2R setup ready, I started testing. Transmit on 40m and receive on 20m. A 40m meter signal has a harmonic on 20m but is it attenuated by both the low power and high power bandpass filters. So with Read more…

I wanted to do SO2R contesting. My Expert 1.3k can do sort of SO2R but with a substitute antenna like a vertical. So I purchased PG XL, a SO2R amplifier designed for SO2R. I expected an amplifier that would generate Read more…