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Police code. A police code is a brevity code, usually numerical or alphanumerical, used to transmit information between law enforcement over police radio systems in the United States. Examples of police codes include "10 codes" (such as 10-4 for "okay" or "acknowledged"—sometimes written X4 or X-4), signals, incident codes, response codes, or ...
Ten-codes, officially known as ten signals, are brevity codes used to represent common phrases in voice communication, particularly by US public safety officials and in citizens band (CB) radio transmissions. The police version of ten-codes is officially known as the APCO Project 14 Aural Brevity Code. [1]
In the United States, response codes are used to describe a mode of response for an emergency unit responding to a call. They generally vary but often have three basic tiers: Code 3: Respond to the call using lights and sirens. Code 2: Respond to the call with emergency lights, but without sirens. Alternatively, sirens may be used if necessary ...
Signal operating instructions (SOI) or Communications-Electronics Operation Instructions (CEOI) are U.S. military terms for a type of combat order issued for the technical control and coordination of communications within a command. [1] They include current and up-to-date information covering radio call signs and frequencies, a telephone ...
The advent of the police car, two-way radio, and telephone in the early 20th century transformed policing into a reactive strategy that focused on responding to calls for service. [28] In the 1920s, led by Berkeley, California police chief August Vollmer, police began to professionalize, adopt new technologies, and place emphasis on training. [30]
Home Office radio. Home Office radio was the VHF and UHF radio service provided by the British government to its prison service, emergency service ( police, ambulance and fire brigade) and Home Defence agencies from around 1939. The departmental name was the Home Office Directorate of Telecommunications, commonly referred to as DTELS.
[[Category:United States radio program user templates]] to the <includeonly> section at the bottom of that page. Otherwise, add <noinclude>[[Category:United States radio program user templates]]</noinclude> to the end of the template code, making sure it starts on the same line as the code's last character.
[[Category:United States radio templates]] to the <includeonly> section at the bottom of that page. Otherwise, add <noinclude>[[Category:United States radio templates]]</noinclude> to the end of the template code, making sure it starts on the same line as the code's last character.