Categories DX Commander Youtube Fixing RF in Audio and Arc Faults under QRO Post author By admin Post date September 1, 2024 Numerous problems to fix inclusing ARC faults and RF in my audio. Withoiut the use of ferrites, I seemed to have cured it. ← End Fed Halfwave Autotransformer 49:1 Cores Tested → Using a NanoVNA to Fix Our Repeater Coverage