New antenna system for portable operation
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Ham radio - a new antenna system for portable and mobile .. The Mad Dog Coil
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43 Foot Vertical antenna for portable operation.| K7SW
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Get gain and directionality for your POTA vertical antenna.
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POTA Activation, The Ultimate Failure! Don't ever forget THIS!
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The Antenna with a Secret: Rez Antenna Systems Recon 40 Coil
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Ground Vs Counterpoise what to use for portable and POTA verticals
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