PHPWIND
HELLOCQ
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bg6gqe:7023就是新手练习频点 (2021-09-14 21:12)
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BG1TRP:记得找资料时看到国际上 3.7100, 21.1100, 28.1100是初学者常用频率,都是QRP的。 (2021-09-14 22:06)
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bd4lb:BG1TRP好!7023和7024相差1KHz。我的G90S滤波器带宽200Hz的时候,不可能同时听见。带宽较大的时候,CW信号音调不一样,也可以分辨的… (2021-09-19 20:02)
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