HAM RADIO: Whats better a 64:1 or 49:1 Build and Test
20:31
HAM RADIO: The 64:1 EFHW Transformer build. 49:1 and 64:1 UnUn builds
17:19
QRM est en train de tuer la radio amateur pour moi et beaucoup d'autres. Y a-t-il quelque chose q...
19:27
L'antenne HF invisible
17:44
How much power can your FT140-43 & FT240-43 End Fed Half Wave transformer handle?
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Build you own 4:1 BALUN with coax (045)
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The BEST Ham Radio You've Never Heard Of - Hilberling PT-8000A
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How to wind an End Fed Half Wave Autotransformer
12:24