JPC-12 7MHz-50MHz 100W Multi Band HF Shortwave GP Antenna QRP For Ham Radio. Rolling power: 100w. JPC-12 7MHz-50MHz 100W Multi Band HF a onde corte GP Antenna QRP per radioamatori. To lengthen the rod antenna or increase the number of turns of the loading coil, if the resonance frequency is low, shorten the antenna of the rod antenna or reduce the number of turns of the loading coil.
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