f5liw 12/01/25 qrp 7 w prc 515 collins 10 metros Francia
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Make a Crystal Radio Receiver - Part 2 - Making and Building the Scout's Crystal Set
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m0trp 14/01/24 qrp 7 w prc 515 Collins 10 metros
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cx1df cx3hu cx4rf 11/01/25 qrp trc thomson y prc 515 collins
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da0wwa 11/01/25 comparando ft 80 60 w qrp Collins, 7w y thomson 12 w 10 metros
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recepção de aviação no rádio AM vejam!!
4:23