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  2. File:US Amateur callsign regions.svg - Wikipedia

    en.wikipedia.org/wiki/File:US_Amateur_callsign...

    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

  3. Call signs in the United States - Wikipedia

    en.wikipedia.org/wiki/Call_signs_in_the_United...

    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]

  4. Call signs in North America - Wikipedia

    en.wikipedia.org/wiki/Call_signs_in_North_America

    Call signs are allocated to ham radio stations in Barbados, Canada, Mexico and the United States. Many countries have specific conventions for classifying call signs by transmitter characteristics and location. The call sign format for radio and television call signs follows a number of conventions.

  5. Amateur radio call signs - Wikipedia

    en.wikipedia.org/wiki/Amateur_radio_call_signs

    It refers to a list of saltwater islands worldwide maintained by the Radio Society of Great Britain, which assigns a unique code to an island or group of islands, like EU-005 for Great Britain, OC-001 for Australia etc. [36] [37] IOTA codes are not part of the callsign, although some callsign blocks correspond uniquely to an IOTA code, like EA6 ...

  6. Maidenhead Locator System - Wikipedia

    en.wikipedia.org/wiki/Maidenhead_Locator_System

    Newington, CT: American Radio Relay League. 2007. Containing all 32,400 Maidenhead Locator Squares; IARU Locator of Europe. Potters Bar, UK: Radio Society of Great Britain. 1984. IARU Locator of Western Europe. Potters Bar, UK: Radio Society of Great Britain. 1985. (scale 1:2,000,000) ARRL Amateur Radio Map of North America.

  7. List of three-letter broadcast call signs in the United States

    en.wikipedia.org/wiki/List_of_three-letter...

    As of January 2025, there are a total of 101 AM, FM and TV stations in the United States that are assigned three-letter call signs. This is divided between only 67 different three-letter calls, because in many cases the same call sign is used by more than one station, although a given call sign is never assigned to more than one AM, FM or TV ...

  8. Category:Amateur radio call signs - Wikipedia

    en.wikipedia.org/wiki/Category:Amateur_radio...

    Main page; Contents; Current events; Random article; About Wikipedia; Contact us; Pages for logged out editors learn more

  9. ITU prefix - Wikipedia

    en.wikipedia.org/wiki/ITU_prefix

    Unavailable: Under present ITU guidelines the following call sign prefixes shall not be allocated. [3] They are sometimes used unofficially – such as amateur radio operators operating in a disputed territory or in a nation state that has no official prefix (e.g. S0 in Western Sahara or station 1A0 at Knights of Malta headquarters in Rome).