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The Wireless and Planning and Coordination Wing (WPC), a division of the Ministry of Communications and Information Technology, regulates amateur radio in India. The WPC assigns call signs, issues amateur radio licences, conducts exams, allots frequency spectrum, and monitors the radio waves.
The California Highway Patrol (CHP) is the principal state police agency for the U.S. state of California. The CHP has primary patrol jurisdiction over all California highways and roads and streets outside city limits, and can exercise law enforcement powers anywhere within the state. The California Highway Patrol can assist local and county ...
Russian nuclear icebreaker Arktika with call sign UKTY. Merchant and naval vessels are assigned call signs by their national licensing authorities. In the case of states such as Liberia or Panama, which are flags of convenience for ship registration, call signs for larger vessels consist of the national prefix plus three letters (for example, 3LXY, and sometimes followed by a number, e.g. 3LXY2).
In California, some radio codes in the 400–599 range that refer to vehicle violations are left over from the California Vehicle Code (CVC) which was revised in 1971. Some agencies, such as the California Highway Patrol (CHP) use the current vehicle code numbers while municipal and county police agencies, especially the Los Angeles Police ...
Call sign titled. The Philippines has call signs that begin with DW, DX, DY, and DZ. DW and DZ are used for stations on Luzon, DX on Mindanao, and DY on Visayas. Stations are suffixed -AM, -FM, -TV, and -DTV. Translators have call signs consisting of a channel and two letters after the letter D, such as D-7-AB.
Example: "BF-07967" allocates an aerial ID of "7967". These markings do not denote a vehicles callsign. [2] The South Australian Country Fire Service have an infrared beacon on the roof of most new appliances and the vehicle call sign. As all trucks are named and numbered according to their location, capacity and capability (e.g. Hynam 34 ...
The use of flashing lights and sirens is colloquially known as blues and twos, which refers to the blue lights and the two-tone siren once commonplace (although most sirens now use a range of tones). In the UK, only blue lights are used to denote emergency vehicles (although other colours may be used as sidelights, stop indicators, etc.).
A standard message form for use by all police departments. A simple code for service dispatches relating to corrections, repetitions, etc. A standard arrangement of the context of messages, (for example, name and description of missing person might be transmitted as follows: Name, age, height, weight, physical characteristics, clothing; if car ...