Les meilleurs filtres passe-bande HAM RADIO abordables à ne pas manquer !
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DIY 20 Meter Bandpass Filter for Ham Radio
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7 "No Tuner" Ham Radio Bands with One 63' Endfed Wire -- That's Not Possible! The LEFS8040 Does it!
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The ONLY SDR Software you’ll ever need.. (Software Defined Radio)
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Build Your Own 40M Band Pass Filter - Step-by-Step (#44)
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Build a bandpass filter for any band and how too tune it. DIY Bandpass filter for ham radio.
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Lets look at the welds on a German U-boat/submarine
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IC-7610 vs. Elecraft K4D
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