4K views · 11 reactions | Galena Crystal Radio Set Testing a galena crystal on a crystal radio set. No battery or electric power is used. The diode was replaced with galena crystal. The audio comes from a piezo earpiece. Frequency 855 KHz. Our website: https://www.yo3bn.ro Online HF SDR: https://kiwisdr.yo3bn.ro Online 24 MHz - 1.76 GHz SDR: https://rtlsdr.yo3bn.ro Youtube: https://youtube.com/@yo3bn 73 de YO3BN #radio #hamradio #swl #crystalradio #galena #radioamateur | YO3BN | Facebook
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