Morse Code
OriginGlobal
Earliest1838
TypeEncoding
About Morse Code
Developed by Samuel Morse and Alfred Vail. The letter E is a single dot, the most efficient assignment. SOS is not an acronym, it is simply easy to tap. Over 100 characters including letters, numbers, and punctuation. Still used by amateur radio operators worldwide. The speed record is 26.2 words per minute for receiving by head.
More Encodings
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