73s

seven-three

slang Take care; best regards. A common sign-off phrase used in amateur radio (also known as "ham radio"). A verbalization of the number 73, thought to be derived from early American telegraph codes. That's it for me for tonight. Seven-three de Pat Hawson.

seventy-three

slang Take care; best regards. A common sign-off phrase used in amateur radio (also known as "ham radio"). A verbalization of the number 73, thought to be derived from early American telegraph codes. That's it for me for tonight. Seventy-three de Pat Hawson.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
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