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Amateur station call signs in the US take the format of one or two letters (the prefix), then a numeral (the call district), and finally between one and three letters (the suffix). The number of letters used in the call sign is determined by the operator's license class and the availability of letter combinations.
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:
The general radiotelephone operator license ( GROL) is a license granted by the U.S. Federal Communications Commission (FCC) that is required to operate certain radio equipment. It is required for any person who adjusts, maintains, or internally repairs FCC licensed radiotelephone transmitters in the aviation, maritime, and international fixed ...
Visa requirements for United States citizens are administrative entry restrictions by the authorities of other states placed on citizens of the United States. As of July 2024, holders of a United States passport can visit 188 countries and territories without a visa or with a visa on arrival, ranking it eighth in terms of travel freedom ...
In the United States, driver's licenses are issued by each individual state, territory, and the District of Columbia rather than by the federal government due to federalism. Drivers are normally required to obtain a license from their state of residence. All states of the United States and provinces and territories of Canada recognize each ...
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 ...
First issued. 1897. v. t. e. The Italian vehicle registration plates ( Italian: targhe d'immatricolazione or, simply, targhe) are the compulsory alphanumeric plates used to display the registration mark of motor vehicles registered in Italy. They have existed in the country since 1897.
e. The U.S. state of Rhode Island first required its residents to register their motor vehicles and display license plates in 1904. Plates are currently issued by the Rhode Island Department of Revenue through its Division of Motor Vehicles. Front and rear plates are required for most classes of vehicles, while only rear plates are required for ...