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03/11/1906 Morse code distress signal "SOS" becomes worldwide standard

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SOS Morse Code Emergency Distress Signal

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FLASHLIGHT SOS MORSE

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Family Guy - Headlamps

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See and hear Morse Code

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Morse Code

SOS is the International Morse code distress signal the overscore indicates that the normal gaps between the letters should be omitted. It became the worldwide standard under the second International Radiotelegraphic Convention.
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