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African states - independence dates and prefix changes
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British and Italian Somaliland 1945-1960
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Allied Forces military & civilian prefixes, North Africa and Middle East from 1947
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AP - Pakistan and S2 - Bangladesh
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BQ9P, BV9P Pratas Island
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EK prefix - transition from USSR to Armenia
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1976 US Bicentennial prefixes
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Canadian stations operating from USA
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US Callsigns not issued by the FCC
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Austral Islands or French Polynesia?
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Marquesas Islands or French Polynesia?
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Christmas Islands - VK9X and T32
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Paraguay - ZP450A - 450th anniversary of the city of Asuncion
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CE0X San Felix Islands
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PY0S - St Peter & Paul Rocks
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2A, GA, MA prefixes - Homecoming Scotland
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2O, GO, MO prefixes - Olympic Games, London, 2012
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2Q, GQ, MQ, ZQ prefixes - Diamond Jubilee of H.M. Queen Elizabeth II, 2012
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27th World University Summer Games in Kazan - July 2013
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4K1 prefix - USSR Antarctic stations, 1970-1994
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4K2, 4K3, 4K4 - USSR Arctic islands 1989-94