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For the EEG electrode placement system, see 10–20 system (EEG). 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 ...
The original radio stations were primarily used for private point-to-point communication. The early 1920s saw the introduction of radio broadcasting, and by the end of 1922 there were over 500 broadcasting stations operating in the United States. Most of the first broadcasting stations received randomly assigned three-letter call signs.
The APCO phonetic alphabet, a.k.a. LAPD radio alphabet, is the term for an old competing spelling alphabet to the ICAO radiotelephony alphabet, defined by the Association of Public-Safety Communications Officials-International [1] from 1941 to 1974, that is used by the Los Angeles Police Department (LAPD) and other local and state law enforcement agencies across the state of California and ...
The following is a list of FCC-licensed radio stations in the U.S. state of Indiana, which can be sorted by their call signs, frequencies, cities of license, licensees, and programming formats. List of radio stations
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 no lights or sirens. The term "Code 4" is also occasionally considered a response ...
The Indiana State Police is the statewide law enforcement agency for the U.S. state of Indiana. Indiana was the 12th state to offer protection to its citizens with a state police force. Its headquarters are in the Indiana Government Center North in Indianapolis .
Computer, radio, paper. An all-points bulletin (APB) is an electronic information broadcast sent from one sender to a group of recipients, to rapidly communicate an important message. [1] The technology used to send this broadcast has varied throughout time, and includes teletype, radio, computerized bulletin board systems (CBBS), and the Internet.
This is a list of law enforcement agencies in the state of Indiana.. According to the US Bureau of Justice Statistics' 2008 Census of State and Local Law Enforcement Agencies, the state had 482 law enforcement agencies employing 13,171 sworn police officers, about 206 for each 100,000 residents.