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A police radio 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 ...
A police radio dispatcher's desk from the Netherlands. Emergency service response codes are predefined systems used by emergency services to describe the priority and response assigned to calls for service. Response codes vary from country to country, jurisdiction to jurisdiction, and even agency to agency, with different methods used to ...
Police radio systems almost always use two-way radio systems to allow for communications between police officers and dispatchers. Most modern police radio systems are encrypted, and many jurisdictions have made listening to police radio frequencies as a private citizen illegal.
St. Stephen Parish Framingham Educational Radio Association: Spanish Religious WBNW: 1120 AM: Concord: Money Matters Radio, Inc. Business Talk WBOS: 92.9 FM: Brookline: Beasley Media Group, LLC: Financial news WBPG-LP: 102.9 FM: Dorchester: Global Ministries Christian Church: Urban Gospel WBPR: 91.9 FM: Worcester: University of Massachusetts ...
The movie Convoy (1978), loosely based on McCall's song, further entrenched ten-codes in casual conversation, as did the movie Smokey and the Bandit. The New Zealand reality television show Ten 7 Aotearoa (formerly Police Ten 7) takes its name from the New Zealand Police ten-code 10-7, which means "Unit has arrived at job". [14] [15]
Several hand-held Project 25 radios used around the world. Project 25 (P25 or APCO-25) is a suite of standards for interoperable digital two-way radio products. P25 was developed by public safety professionals in North America and has gained acceptance for public safety, security, public service, and commercial applications worldwide. [1]
A trunked radio system is an advanced alternative in which the channel selection process is done automatically, so as to avoid channel conflicts and maintain frequency efficiency across multiple talkgroups. This process is handled by what is essentially a central radio traffic controller, a function automatically handled by a computer system.
With a radio fixed on a single frequency, much time could pass between transmissions, while other frequencies might be active. A scanning radio will sequentially monitor multiple programmed channels, or scan between user defined frequency limits and user defined frequency steps. The scanner will stop on an active frequency strong enough to ...