HAM RADIO: Building a magnetic loop antenna Part 2.1 Capacitor Track

HAM RADIO: Building a magnetic loop antenna Part 2.1 Capacitor Track... One of the biggest problems with the trombone capacitor is getting the same reading at the same position each and every time, this is due to the fit between the inner and outer copper pipes. the tighter the fit the better the repeatability of the capacitance at any given position but the harder it is to construct.......

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Cheers
Mike M0MSN

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