Brevity codes are used in amateur radio, maritime, aviation and military communications. The codes are designed to convey complex information with a few words or codes. Some terms are
classified to the public.
List of brevity codes
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ACP-131
ACP-131 is the controlling publication for the listing of Q codes and Z codes. It is published by the Combined Communications Electronics Board (CCEB) countries (Australia, New Zealand, Canada, United Kingdom and United States), and revised from t ...
Allied military brevity codes
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ARRL Numbered Radiogram
An ARRL Numbered Radiogram is a brevity code used in composing ARRL Radiograms during times of radio congestion.
The code is used to transmit standard messages, sometimes with customized text, very quickly by experienced ARRL National Traffic Syst ...
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Commercial codes such as the ''
Acme Commodity and Phrase Code'', the ''ABC Telegraphic Code'', ''Bentley's Complete Phrase Code'', and ''Unicode''
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Fox (code word)
Fox is a brevity code used by NATO pilots to signal the simulated or actual release of an air-to-air munition or other combat function. Army aviation elements may use a different nomenclature, as the nature of helicopter-fired weapons is almost ...
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Multiservice tactical brevity code
Multiservice tactical brevity codes are codes used by various military forces. The codes' procedure words, a type of voice procedure, are designed to convey complex information with a few words.
American/NATO codes
This is a list of American ...
used by various military forces. The codes' procedure words, a type of voice procedure, are designed to convey complex information with a few words, when brevity is required but security is not
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Ten-code
Ten-codes, officially known as ten signals, are brevity codes used to represent common phrases in voice communication, particularly by law enforcement and in Citizens Band (CB) radio transmissions. The police version of ten-codes is officially k ...
, North American police brevity codes, including such notable ones as 10-4
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Phillips Code
The Phillips Code is a brevity code (shorthand) created in 1879 by Walter P. Phillips (then of the Associated Press) for the rapid transmission of press reports by telegraph. It defined hundreds of abbreviations and initialisms for commonly us ...
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NOTAM Code
NOTAM Code is an aeronautical radiotelegraph and radiotelephony brevity code used to transmit information about radio navigation aids, airports, lighting facilities, dangers to aircraft, and actions related to search and rescue. All NOTAM Codes st ...
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Wire signal
A wire signal is a brevity code used by telegraphers to save time and cost when sending long messages. The most well-known of these was the 92 Code adopted by Western Union in 1859. The reason for this adoption was to reduce bandwidth usage over th ...
, Morse Code abbreviation, also known as
92 Code
A wire signal is a brevity code used by telegraphers to save time and cost when sending long messages. The most well-known of these was the 92 Code adopted by Western Union in 1859. The reason for this adoption was to reduce bandwidth usage over th ...
. Appears in informal language-independent HAM conversations
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World War II Allied names for Japanese aircraft
The World War II Allied names for Japanese aircraft were reporting names, often described as codenames, given by Allied personnel to Imperial Japanese aircraft during the Pacific campaign of World War II. The names were used by Allied personnel ...
See also
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Operating signals
Operating signals are a type of brevity code used in operational communication among radio and telegraph operators. For example:
* Prosigns for Morse code
* 92 Code: telegraph brevity codes
* Q code: initially developed for commercial radiotelegr ...
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SINPO code
SINPO, an acronym for Signal, Interference, Noise, Propagation, and Overall, is a Signal Reporting Code used to describe the quality of broadcast and radiotelegraph transmissions. SINPFEMO, an acronym for Signal, Interference, Noise, Propagation ...
, code used to describe the quality of radio transmissions, especially in reception reports written by shortwave listeners
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R-S-T system
The R-S-T system is used by amateur radio operators, shortwave listeners, and other radio hobbyists to exchange information about the quality of a radio signal being received. The code is a three digit number, with one digit each for conveying a ...
, information about the quality of a radio signal being received. Used by amateur radio operators, shortwave listeners
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Morse code abbreviations
Morse code abbreviations are used to speed up Morse communications by foreshortening textual words and phrases. Morse abbreviations are short forms, representing normal textual words and phrases formed from some (fewer) characters taken from the wo ...
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Telegraphese
Telegram style, telegraph style, telegraphic style, or telegraphese is a clipped way of writing which abbreviates words and packs information into the smallest possible number of words or characters. It originated in the telegraph age when telecom ...
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List of HTTP status codes
This is a list of Hypertext Transfer Protocol (HTTP) response status codes. Status codes are issued by a server in response to a client's request made to the server. It includes codes from IETF Request for Comments (RFCs), other specifications, ...
External links
Brevity codeson the RadioReference wiki
{{Morse code