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  1. mitch169

    MFJ-998 Firmware 1208 Latest Downward Power reading

    I have an MFJ-998 Intellituner and any power shows downward power as I modulate. But on my CN-801 Daiwa on AVG it shows upwards. The Daiwa is after the antenna tuner and before the antenna. I have changed different lengths of the Coax—good 213.
  2. mitch169

    Heath SB-220 Squeals on AM

    I just bought an SB220, which squeals on AM 10 and 11 Meters. It has the Harbach Electronics SK-220 Soft-Key Keying Interface and Replacement Filter Capacitor Block. SSB is nice and clear both 11 and 10 meters. 110v Does anyone know what it could be?