Build a Better 49:1 UnUn for the EFHW antenna
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8:48
GAIN up to 14% Efficiency for your EFHW HF Antenna
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1:00:43
EFHW MULTIBAND ANTENNA with 49:1 UnUn home made (PART1)
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21:28
Build a Better 49:1 UnUn for the EFHW antenna *RE-TESTED*
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17:40
Melhore seu jogo de antena: construa uma bobina de 40 metros para o Chameleon SS25 Whip!
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1:10:43
Mini UNUNs 49:1 and 9:1 (production process)
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46:08
Best 49 to 1 UnUn for EFHW End Fed Half Wave HF antennas
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26:08
134 - MONTAMOS UN BALUN GUANELLA 1:4 PARA UNA ANTENA WINDOM
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25:44