CQD and SOS The distress signal CQD originated from the signal CQ, expressing "seeking you," or "all stations." The signal CQ ...
I was checking out a military museum over the long holiday break and saw a display about radio operators and Morse code. I remember hearing that S-O-S is the universal distress call. I always wondered ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results