Operating signals: Difference between revisions

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'''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.
* [[Prosigns for Morse code]]
* [[92 Code]] Western Union telegraph brevity codes
* [[Q code]] - initially developed for commercial radiotelegraph communication, and later adopted by other radio services, especially amateur radio. Used since circa 1909.