SOS
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SOS is a Morse code distress signal, used internationally, originally established for maritime use. In formal notation SOS is written with an overscore line, to indicate that the Morse code equivalent
SOS was introduced for emergency maritime radio communication using Morse code.
Titanic
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RMS Titanic was a British ocean liner that sank in the early hours of 15 April 1912 after striking an iceberg on her maiden voyage from Southampton, England, to New York City. Of the 2,208 passengers
SOS
…company's offices. However, there was some resistance among Marconi operators to adopting the new signal, and as late as the April 1912 sinking of the RMS Titanic the ship's Marconi operators intermixed CQD and SOS distress calls. In the interests of consistency and maritime safety, the use of CQD appears to have…
RMS Titanic departing Southampton on 10 April 1912
RMS Olympic's rudder with central and port wing propellers; the man at the bottom shows scale.
Marconi Company receiving equipment for a 5-kilowatt ocean liner station in the wireless radio room of Titanic's sister ship, Olympic
The only known picture of Titanic's wireless radio room, taken by the Catholic priest Francis Browne. Harold Bride is seated at the desk.