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United States National Radio Quiet Zone. Coordinates: 38.375°N 79.5°W. The NRQZ includes portions of West Virginia, Virginia, and a small part of Maryland. The National Radio Quiet Zone ( NRQZ) is a large area of land in the United States designated as a radio quiet zone, in which radio transmissions are restricted by law to facilitate ...
An amateur radio station that is located in a satellite, the Space Shuttle, or on the International Space Station is referred to as a space station. Some countries, including the United States, have additional or different regulations regarding the operation of space stations than other amateur radio stations. Most space stations are located on ...
The following is a list of FCC-licensed radio stations in the U.S. state of New Hampshire, which can be sorted by their call signs, frequencies, cities of license, licensees, and programming formats. List of radio stations
Amateur radio, also known as ham radio, is the use of the radio frequency spectrum for purposes of non-commercial exchange of messages, wireless experimentation, self-training, private recreation, radiosport, contesting, and emergency communications. [1] The term "amateur" is used to specify "a duly authorized person interested in radioelectric ...
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]
Amateur First Grade required an essay-type examination and five (later ten) words per minute code examination before a Radio Inspector at one of the Department's field offices. This class of license was renamed Amateur Class in 1927 and then Amateur First Class in 1932. Amateur Radio licensing in the United States began in mid-December 1912.
The Maidenhead Locator System (a.k.a. QTH Locator and IARU Locator) is a geocode system used by amateur radio operators to succinctly describe their geographic coordinates, which replaced the deprecated QRA locator, which was limited to European contacts. [ 1] Its purpose is to be concise, accurate, and robust in the face of interference and ...
The 2015 ITU World Radiocommunication Conference (WRC-15) approved a new worldwide frequency allocation of 5.351.5–5.366.5 MHz to the amateurs on a secondary basis. The allocation limits amateur stations to 15 watts effective isotropic radiated power (EIRP); however some locations will be permit up to 25 W EIRP.