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40m Direct Conversion Receiver Part2 7MHz ダイレクトコンバージョン受信機 Part2
Chappy Happy
May 7, 2024
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40m Direct Conversion Receiver Part3 (CW Filter) 7MHz ダイレクトコンバージョン受信機 Part3 (CWフィルター)
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40m Direct Conversion Receiver 7MHz ダイレクトコンバージョン受信機
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