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The United States Navy, United States Marine Corps, and United States Coast Guard use a mixture of tactical call signs and international call signs, with ships beginning with the letter N. For example, the carrier USS John F. Kennedy had the call sign NJFK for unclassified and navigation communications with other vessels, but uses tactical call ...
The United States was divided into nine "Radio Inspection" districts, [31] and amateur and Special Land stations were issued call signs that started with the district number in which they were located, followed by two letters. The first letter for standard amateur stations came from the range A-W.
They include current and up-to-date information covering radio call signs and frequencies, a telephone directory, code-words (for rudimentary encryption), and visual and sound signals. A designated battalion signal officer prepares the battalion SOI in conformance with the SOI of higher headquarters. [2] During operations, SOI are changed daily.
USAAF unit identification aircraft markings, commonly called "tail markings" after their most frequent location, were numbers, letters, geometric symbols, and colors painted onto the tails (vertical stabilizer fins, rudders and horizontal surfaces), wings, or fuselages of the aircraft of the United States Army Air Forces (USAAF) during the ...
Police units in the United States tend to use a tactical designator (or tactical callsign) consisting of a letter of the police radio alphabet followed by one or two numbers. For example, "Mary One" might identify the head of a city's homicide division.
Download as PDF; Printable version; ... Call signs in Argentina; Army One; ... Call signs in the United States; W. Wake turbulence category
[1]: 56 United States Army Ambulance Service vehicles carried a red cross and the Caduceus symbol which had been adopted by the U.S. Medical Department in 1902. War Department vehicle numbers were put on vehicles as was section identification signs, SSU meaning services support unit, with 2 or 3 digit number (e.g. SSU 525). [2]
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).