omnidirectional vhf uhf antenna

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Big Wheel Antenna for VHF - An omnidirectional horizontal polarization antenna for 2 meters band in Italian
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Exploring The J-Pole Antenna - The J-Pole antenna is a common omnidirectional antenna used in amateur radio, particularly on the VHF and UHF bands. This article is an attempt to explore how the J-pole antenna transforms feed-line impedance to free-space impedance, all the while providing gain found only in the more expensive commercial products.
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