N4TRB Amateur Radion4trb.com/AmateurRadio/RCA_Ham_Tips/issues/rcahamtips2202.pdf · tuned by a...
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N4TRB Amateur Radion4trb.com/AmateurRadio/RCA_Ham_Tips/issues/rcahamtips2202.pdf · tuned by a butterfly capacitor. The rotor sec- tion of this capacitor is ungrounded to im- prove