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[a]n acronym for American Standard Code for Information Interexchange which employs an eight bit code and can operate at any standard transmission baud rate including 300, 1200, 2400, and higher.”[1]


It is a nonproprietary text format, standard seven-bit code for representing (or eight-bit for extended ASCII) alphanumeric and control characters that was adopted by the American Standards Association to achieve compatibility between data devices. ASCII contains no fonts or formatting, and no accented characters, specialised symbols or fancy punctuation.

ASCII codes letters, numbers, punctuation and actual control systems in digital code consisting of "0s" and "1s." For example, the capital letter "C" is 100011 and a "3" is 0110011.

ASCII is an American National Standard: ANSI X3.4-1968 ASCII Character Set. There is an updated standard: ANSI X3.4-1986 ASCII Character Set Revised.


  1. 47 C.F.R. §64.601(2).

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