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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 (SOS), to indicate that the Morse code equivalents for the individual letters of "SOS" are transmitted as an unbroken sequence of three dots / three dashes / three dots, with no spaces between the letters. [1]
Sending the Morse code group SOS ( ) by light flashes or sounds [2] Burning a red flare (either hand-held or aerial parachute flare) [2] Launching distress rockets [2] Emitting orange smoke from a canister [2] Showing flames on the vessel (as from a burning tar barrel, oil barrel, etc.) [2]
SOS is just that—SOS. It was derived from Morse code and recognized as an international standard signaling danger, or the need for aid. Using wireless telegraphy, it would sound like three-dits ...
Unlike WD-40, CVS, and TASER, SOS is not even an acronym: It’s a Morse code sequence, deliberately introduced by the German government in a 1905 set of radio regulations to stand out from less ...
Morse code is a telecommunications method which encodes text characters as ... toggling a flashlight, and similar methods. The SOS signal is not sent as three ...
The letters SOS have been used as a code for emergency since 1905. But what does SOS mean exactly? The post What SOS Stands For and Where It Came From appeared first on Reader's Digest.
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