First Radio Distress Signal?
This was prior to the introduction of the ‘SOS’ and the recognized call sign for ships in distress then was ‘CQD’. This signal had been devised by the Marconi Company, it was intended to mean ‘All Stations – Urgent’, but was popularly misinterpreted as ‘Come Quick – Danger’ or ‘Come Quickly Down’.
The first time the ‘SOS’ signal was used in an emergency was on 10 June 1909, when the Cunard liner SS Slavonia was wrecked off the Azores. Two steamers received her signals and went to the rescue.
Fact from: The Shell Book of Firsts. By Patrick Robertson. Elbury Press & Michael Joseph Ltd. London.
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