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For instance, a newly licensed Technician from New England would receive a call sign of the form KC1xxx. The amateur may thereafter apply for a specific or specialized call sign under the Vanity Licensing program. Approximately 88% of all amateur radio operators have call signs that reflect the district in which those operators live. [25]
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. [ 5] Examples of call signs and their constituent parts are as follows:
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. [21]
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 .
Radio call signs are a globally unique identifier assigned to all stations that are required to obtain a license in order to emit RF energy. The identifiers consist of from 3 to 9 letters and digits, and while the basic format of the call signs are specified by the ITU-R Radio Regulations, Article 19, Identification of stations, [5] the details are left up to each country's radio licensing ...
The amateur radio service ( amateur service and amateur-satellite service) is established by the International Telecommunication Union (ITU) through the Radio Regulations. National governments regulate technical and operational characteristics of transmissions and issue individual station licenses with a unique identifying call sign, which must ...
QRZ.com. QRZ.com is an amateur radio website listing almost every callsign in the world. In 1992, QRZ founder Fred L. Lloyd accessed data from the FCC database to create a CD-ROM with all call signs issued in the United States. [ 1] A copy of the CD-ROM is carried on board the International Space Station and one was also aboard the Russian Mir ...
Amateur radio or ham radio call signs are unique identifiers for the over 42,000 licensed operators in South Korea with none known in North Korea.. The 1947 ITU Conference in Atlantic City, U.S.A., assigned the whole Korean peninsula the HLA–HMZ range of call sign prefixes for amateur radio use.