The Admission Test Series prepares students for entrance examinations into college, graduate and professional school as well as candidates for professional certification and licensure.

Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Pages: 27. Chapters: ITU prefix, Amateur radio licensing in the United States, Amateur Station Operator's Certificate, Amateur radio call signs of Canada, Amateur radio callsigns of the Middle East, Amateur radio call signs of Africa, Amateur radio call signs of Antarctica, Amateur radio call signs of Russia, Amateur radio call signs of Great Britain, Amateur radio call signs of Australia, Amateur radio call signs of New Zealand, Amateur radio international operation, Amateur radio call-signs of India, Amateur radio call signs of Oceania, Amateur radio callsigns of Mexico, Amateur radio call signs of Argentina, Amateur radio call signs of Ireland, Amateur radio licence categories in India, Amateur radio call signs of Barbados, Volunteer Examiner Coordinator. Excerpt: The International Telecommunication Union (ITU) allocates call sign prefixes for radio and television stations of all types. Amateur radio operators have since 1927 been allocated unique call letters (call sign) to uniquely identify them, as well as locate then within a geographical region of the world - usually a country. Prefixes are assigned internationally, and a separating numeral plus suffix are added by a national body to produce this unique identifier. These prefixes are agreed upon internationally, and are a form of country code. Each country must only assign call signs to its nationals or operators under its jurisdiction that begin with the characters allocated for use in that country or its territories. Call signs meant for amateur radio follow the ITU's Article 19, specifically 19.68 and 19.69. 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 one from O to 9, and a suffix is from one to four characters where the last one has to be a letter....