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BG4DRL:[表情] [表情] [表情] [表情] [表情] 执照上写着“个人业余无线电台” 别想太多 别期待太多 (2013-07-23 02:28)
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电离层:短波鞭天线在东北,10公里都不可靠,还不如UV中继呢,应急应该是直径1米多的小环天线,频率3兆至10兆,架高只需1米多。 (2013-04-30 11:02)