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  2. Police code - Wikipedia

    en.wikipedia.org/wiki/Police_code

    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 ...

  3. RadioShack - Wikipedia

    en.wikipedia.org/wiki/RadioShack

    RadioShack (formerly written as Radio Shack) is an American electronics retailer which was established in 1921 as an amateur radio mail-order business. Its parent company, Radio Shack Corporation, was purchased by Tandy Corporation in 1962, shifting its focus from radio equipment to hobbyist electronic components. At its peak in 1999, Tandy ...

  4. APCO radiotelephony spelling alphabet - Wikipedia

    en.wikipedia.org/wiki/APCO_radiotelephony...

    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 ...

  5. Emergency service response codes - Wikipedia

    en.wikipedia.org/wiki/Emergency_service_response...

    United States. [] 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.

  6. Ten-code - Wikipedia

    en.wikipedia.org/wiki/Ten-code

    Ten-code. 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]

  7. Tennelec - Wikipedia

    en.wikipedia.org/wiki/Tennelec

    The system was a hit, and was soon picked up for Radio Shack. To help users get started, Radio Shack also purchased thousands of copies of Police Call, a guide to various radio frequencies Partly due to poor quality control [citation needed] of their scanner line, Tennelec filed for bankruptcy [citation needed] soon after introducing their ...

  8. GRE (company) - Wikipedia

    en.wikipedia.org/wiki/GRE_(company)

    GRE (company) GRE (株式会社 ゼネラル リサ-チ オブ エレクトロニックス General Research of Electronics, Inc.) was a Japan -based multinational manufacturer of electronics equipment, primarily in the fields of radio and other telecommunications. [1] Their products included transceivers, radio scanners, antennas, GPS devices ...

  9. Lafayette Radio Electronics - Wikipedia

    en.wikipedia.org/wiki/Lafayette_Radio_Electronics

    Headquarters. Syosset, New York. Lafayette Radio Electronics Corporation was an American radio and electronics manufacturer and retailer from approximately 1931 to 1981, headquartered in Syosset, New York, a Long Island suburb of New York City. The company sold radio sets, Amateur radio (Ham) equipment, citizens band (CB) radios and related ...