Ten-code: Difference between revisions

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==Origins and professional use==
 
The first set of 10-codes was published by the Association of Public-Safety Communications Officials, or APCO, in January of 1940. There is no universal, official set of 10-codes, and the meanings of a particular 10-code can vary between one jurisdiction and another: a code meaning "I have the suspect in custody" in one state can mean "Send an ambulance" in a second state, and have yet another meaning in a third. To overcome large 10-code lists some agencies have adopted other code lists such as [[eleven-code|11-codes]], 12-codes, and so forth.
 
==Unofficial use (e.g. CB radio)==