What Is a Code 77 Emergency Response Code? Code 77 Emergency Response Code
The Code 77 Emergency Response Code meaning for the forces is Possible Ambush – Use Caution.
Emergency Response Code were first first presented as APCO Ten Signals in 1937 to make sure the communication between policemen are most efficient. Code 50 police code is one of the short codes used to make sure there is no mistake with the message, in this case it the meaning is Basic Transport (Not Serious).
What Is Possible Ambush – Use Caution? Police Code for Possible Ambush – Use Caution
The Police Code for Possible Ambush – Use Caution is Code 77.
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Code 77 Police Code is one of many police codes used every day for the communication by the emergency forces – you can listen to Code 77 Police Code using a police code scanner.
Police codes were developed during 1937–1940 and expanded in 1974 by the Association of Public-Safety Communications Officials-International (APCO).
The most used police code used is when an officer retires a call to dispatch is made. The officer gives a 10-7 code (Out of service) and then a 10-42 code (ending tour of duty).
APCO first proposed Morse code brevity codes in the June 1935 issue of The APCO Bulletin, which were adapted from the procedure symbols of the U.S. Navy, though these procedures were for communications in Morse code, not voice.
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