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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.
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]
These are all things that “SOS,” the international abbreviation for distress, ... the letters SOS have been used as a code for emergency since 1905. But what does SOS stand for, actually?
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 ...
This distress signal soon became known as "SOS" because it has the same dash-dot sequence as the letters S O S with the gaps between the letters removed, and in fact is properly written SOS, with an overbar, to distinguish it from the three individual letters. In contrast, CQD is transmitted as three distinct letters with a short gap between ...
List of initialisms, acronyms ("words made from parts of other words, pronounceable"), and other abbreviations used by the government and the military of the United States. Note that this list is intended to be specific to the United States government and military—other nations will have their own acronyms.
The postal abbreviation is the same as the ISO 3166-2 subdivision code for each of the fifty states. These codes do not overlap with the 13 Canadian subnational postal abbreviations . The code for Nebraska changed from NB to NE in November 1969 to avoid a conflict with New Brunswick. [ 4 ]
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