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那是什么信号? 听是一种艺术,无论是面对面的交流还是在远距离通联中。当有一个声音在电台里响起,你是否能集中精力收听是这个稀有电台能否在DX公告板上出现之前,就能够通联到的关键因素。几个月前,我正在测试一根新的天线和一个自制的天调。在日落之前的1小时左右,当时在40米波段,可以听见一个欧洲的信号但非常微弱。在波段中搜索时,我发现一个很强的信号,但也伴随着强烈的抖动,这个台好像是在进行聊天式的通
What is that signal? Listening is an art, either face-to-face or in long-distance communications. When a voice sounded on the radio, could you concentrate on listening to the key factors that made the rare radio a link to the DX before it appeared on the DX bulletin board? A few months ago, I was testing a new antenna and a home-made tone. About 1 hour before sunset, at that time in the 40-meter band, a European signal could be heard but very weak. I found a very strong signal when searching in the band, but also accompanied by strong jitter, which seemed to be a chat type