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Why was SOS favored to denote a distress signal?
In Morse password SOS signified by three dots, 3 dashes, then three dots (· · · – – – · · ·). SOS was chosen because it can not it is in misinterpreted together being a post for anything else.
The very first time SOS to be used
The an initial time the "SOS" signal was used in an emergency to be on 10 June 1909, when the Cunard liner SS Slavonia was wrecked off the Azores. Two steamers obtained her signals and also went to the rescue. Tree years later the Titanic offered it to signal the sink the the ship.
CQD Distress Signal
The CQD signal was devised by the Marconi company and to be intended to median "All stations - Urgent", however was popularly misinterpreted as "Come fast - Danger" or "Come quickly Down".
The SOS was actually carried into usage in 1908, but it"s fostering by maritime stations was really slow. So sluggish in reality that at the time of the sinking that the Titanic top top the 15th that April 1912, she radio operator, Harold Bride, supplied both the old "CQ Distress" and the then more recent SOS signals.
together an aside, the SOS mix of letters was chosen because the "di di dit, dah dah dah, di di dit" sound was conveniently recognizable. It was only later on that the suggestion was made the it can stand because that "Save our Souls".
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