Operating signals: Difference between revisions

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{{short description|Signals for management of telegraph circuits}}

'''Operating signals''' are one type of brevity code wherein the signals are designed and used primarily to support the communication of the communications (radio and telegraph) operators among themselves with respect to communications operations, instead of communicating abbreviated messages about non-communications related activities.

{{Use dmy dates|date=May 2023}}

* [[92 Code]] Western Union telegraph brevity codes

'''Operating signals''' are a type of [[brevity code]] used in operational communication among radio and telegraph operators. For example:

* [[Q code]] - initially developed for commercial radiotelegraph communication, and later adopted by other radio services, especially amateur radio. Used since circa 1909.

* R code - published by the British Post Office in 1908 for use only by British coastal wireless stations and ships licensed by the Postmaster General.<ref name=":0">{{Cite web|url=http://ac6v.com/rcode.htm|title=R - CODES AND S - CODES|last=|first=|date=|website=|archive-url=|archive-date=|dead-url=|access-date=}}</ref>

* [[Prosigns for Morse code]]

* S code - published by the British Post Office in 1908 for use only by British coastal wireless stations and ships licensed by the Postmaster General.<ref name=":0" />

* [[Wire signal#92 Code|92 Code]] Western Union: telegraph brevity codes

* X code - used by European military services as a wireless telegraphy code in the 1930s and 1940s

* [[Q code]] -: initially developed for commercial radiotelegraph communication, and later adopted by other radio services, especially amateur radio. Used since circa 1909.

* [[Z code]] - also used in the early days of radiotelegraph communication.

* [[QN Signals]]: published by the [[ARRL]] and used in [[Amateur radio]]

* R codeand -S brevity codes: published by the British Post Office in 1908 for use only by British coastal wireless stations and ships, licensedsuperseded byin the1912 Postmasterby General.Q codes<ref name=":0pre-1912">{{Cite web|url=httphttps://ac6v.com/rcode.htmphp|title=R Pre-1912 CODES AND S -Brevity CODESCodes|last=Anderson|first=Scott|date=|website=|archive2002-url=|archive07-date=|dead-url=|access-date=31}}</ref>

* X code -: used by European military services as ain wireless telegraphy code in the 1930s and 1940s

* [[Z code]] - also: used in the early days of radiotelegraph communication.

==See also==

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{{reflist}}

{{Morse code}}

[[Category:Operating codes| ]]

[[Category:Operating codessignals| ]]