Near Vertical incidence Skywave Propagation NVIS Antennas - Ham Radio Q&A
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Chameleon MPAS 2 NVIS (Near Vertical Incidence Skywave) Antenna - Ham Radio Q&A
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Propagação NVIS para iniciantes em rádio amador!
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3 razões pelas quais as redes de rádio amador estão morrendo
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NVIS Antenna Presentation
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Understanding NVIS
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How I built my antenna tower with Hexbeam on top (A to Z)
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Ham Radio - NVIS antennas and the Chameleon MPAS
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