blog:2020-04-11:amateur_radio_operators_turn_to_analog_tech_to_communicate_during_pandemic
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photos:2023_can_day_marc_built_bandpass_filter.jpg [2023/07/05 08:12] – created va7cfg | photos:2023_can_day_marc_built_bandpass_filter.jpg [2023/07/05 22:29] (current) – va7cfg |
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