Brevity code

{{short description|Radio and telegraph signals encoding longer definitions}}

'''Brevity codes''' are used in amateur radio, maritime, aviation, police, and military communications. They are designed to convey complex information with a few words or codes. Some are classified from the public.

== List ==  * ACP-131 Allied military brevity codes * ARRL Numbered Radiogram * Commercial codes such as the ''Acme Commodity and Phrase Code'', the ''ABC Telegraphic Code'', ''Bentley's Complete Phrase Code'', and ''Unicode'' * Fox * Multiservice tactical brevity code 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 * Ten-code, North American police brevity codes, including such notable ones as 10-4 * Phillips Code * NOTAM Code * Q code, currently used mainly by amateur radio operators especially when using Morse code, originally designed for use by British ships and coastal stations * Wire signal, Morse Code abbreviation, also known as 92 Code. Appears in informal language-independent ham conversations * World War II Allied names for Japanese aircraft

== See also ==  * Operating signals * SINPO code, code used to describe the quality of radio transmissions, especially in reception reports written by shortwave listeners * R-S-T system, information about the quality of a radio signal being received. Used by amateur radio operators, shortwave listeners * Morse code abbreviations * Telegraphese * List of HTTP status codes * Tactical designator

== External links == * [https://wiki.radioreference.com/index.php/Brevity_codes Brevity codes] on the RadioReference wiki

{{Morse code}} 20

Category:Brevity codes