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在短波业余波段狭窄的带宽内,我们经常听到一些奇怪的声音,有的像断续的哨声,有的像科幻电影里机器人的对话,或低回婉转或高亢激昂,有刚接触短波的朋友以为那是QRM,其实那是不同的数字通信模式所特有的调制信号。它们可能是PSK、FSK,也可能是RTTY,甚至是SSTV或无线传真信号。在众多的业余无线电软件中,Ham Radio Deluxe软件包集成了电台控制、日志记录、卫星跟踪、数字通信等功能,而且操作界面非常友好,受到世界各地HAM的青睐,最重要的是:如此强大的软件是完全免费的!
In the narrow bandwidth of the shortwave amateur band, we often hear strange sounds, intermittent whistles, dialogues with robots in science fiction movies, or mild or hyperactive, Friends think it is QRM, in fact, that is different from the digital communication mode unique modulation signal. They may be PSK, FSK, RTTY, or even SSTV or wireless fax signals. Among the many amateur radio applications, the Ham Radio Deluxe software package integrates radio control, logging, satellite tracking, digital communications and much more, with a user-friendly interface that is hailed by HAMes around the world and, above all, is so powerful Software is completely free!