SOS is the international Morse code rescue signal, not the abbreviation of any word. In view of the frequent occurrence of the shipwreck, and often can not be issued a distress signal and fastest rescue, resulting in great casualties and property losses, international wireless telegraphy Treaty Organization in 1908, it is determined to be the international universal shipwreck distress signal . No practical significance of these three-letter combinations, just because it codes ... --- ... (three dots, three dashes, then add three dots) in the telegram transmitters the easiest issue, receiving the report, most recognizable codes. More meaning, check out the entry body content.
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