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Description: Map of amateur radio callsigns in the United States, showing 50 US States and populated territories. Date: 1 September 2010, 21:24 (UTC): Source
Map showing the numeral codes for amateur radio call signs in the United States. The region in which the operator was licensed determines the numeral. United States amateur radio call signs consist of one or two letters, followed by a single digit, and closing with one to three more letters. [20]
An amateur operator's call sign is composed of a prefix, a separating numeral and a suffix. The prefix can be composed of letters or numbers, the separating numeral is between 0 and 9, and a suffix is from one to four characters, usually letters.
Call signs in Canada are official identifiers issued to the country's radio and television stations. Assignments for broadcasting stations are made by the Canadian Radio-television and Telecommunications Commission (CRTC), while amateur stations receive their call signs from Innovation, Science and Economic Development Canada (previously Industry Canada).
The call sign format for radio and television call signs follows a number of conventions. All call signs begin with a prefix assigned by the International Telecommunication Union (ITU). For example, the United States has been assigned the following prefixes: AAA–ALZ, K, N, W. For a complete list, see international call sign allocations.
Holders of licences in countries signed up to CEPT TR 61-01 [15] operate with their home call sign prefixed with an M/ plus the additional country identifier when necessary (e.g. MM, MI, MW etc.). Holders of licences in countries signed up to CEPT TR 61-02 [16] can operate for 3 months before needing a Great Britain call sign as issued by Ofcom.
Amateur radio or ham radio call signs are unique identifiers for more than 2,500 licensed operators in the western Pacific. Call signs are regulated internationally by the ITU as well as nationally by island national entities, some of which are independent countries and others are under colonial administration.
Amateur radio or ham radio call signs are unique identifiers for the 19,500 licensed operators in Australia. Call signs are regulated internationally by the ITU as well as nationally by the Australian Communications and Media Authority (ACMA) which is Australia's regulator for broadcasting, administering spectrum use through the provisions of ...