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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 ...
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 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.
The following is a list of FCC-licensed radio stations in the U.S. state of Maine, which can be sorted by their call signs, frequencies, cities of license, licensees, and programming formats. List of radio stations
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 stations owned or operated by Sinclair Broadcast Group. Sinclair owns or operates 294 television stations across the United States in 89 markets ranging in size from as large as Washington, D.C. to as small as Ottumwa, Iowa / Kirksville, Missouri. [ 1] Several of these stations are owned by affiliate companies with ...
The following is a list of FCC-licensed radio stations in the U.S. state of California, which can be sorted by their call signs, frequencies, cities of license, licensees, and programming formats. List of radio stations
APRS beacon transmitter with GPS receiver. Automatic Packet Reporting System ( APRS) is an amateur radio -based system for real time digital communications of information of immediate value in the local area. [ 1] Data can include object Global Positioning System (GPS) coordinates Non-directional beacon, weather station telemetry, text messages ...