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Editing ĸšä½™æ— 线电 ĸšä½™æ— 线电资料集

Revision as of 08:24, 20 October 2025 by TammiSiggers785 (talk | contribs) (Created page with "<br><br><br>实验最终证实了电波穿越大西洋的可行性,同时最后也显示出CW等幅报比火花信号更具有优越性。 到1923年,欧洲和北美之间的通信仅剩下时间的问题了。 实验一直持续,到1924年后期,英国和新西兰之间的爱好者也成功地进行了通信联络,几乎绕地球一半。 次年便出现了永盛不衰的[https://www.news24.com/news24/search?query=ARRL%20DX-contest ARRL DX-contest] 国际远...")
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