When.com Web Search

Search results

  1. Results From The WOW.Com Content Network
  2. Radio masts and towers - Wikipedia

    en.wikipedia.org/wiki/Radio_masts_and_towers

    A radio mast base showing how virtually all lateral support is provided by the guy-wires. The terms "mast" and "tower" are often used interchangeably. However, in structural engineering terms, a tower is a self-supporting or cantilevered structure, while a mast is held up by stays or guy-wires. [1] A mast

  3. Amateur radio station - Wikipedia

    en.wikipedia.org/wiki/Amateur_radio_station

    Radio amateurs build and operate several types of amateur radio stations, including fixed ground stations, mobile stations, space stations, and temporary field stations. A slang term often used for an amateur station's location is the shack , named after the small enclosures added to the upperworks of naval ships to hold early radio equipment ...

  4. Amateur radio - Wikipedia

    en.wikipedia.org/wiki/Amateur_radio

    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]

  5. Guyed mast - Wikipedia

    en.wikipedia.org/wiki/Guyed_mast

    A guyed radio mast. A guyed mast is a tall thin vertical structure that depends on guy lines (diagonal tensioned cables attached to the ground or a base) for stability. The mast itself has the compressive strength to support its own weight, but does not have the shear strength to stand unsupported or bear loads.

  6. Antenna farm - Wikipedia

    en.wikipedia.org/wiki/Antenna_farm

    An antenna farm, satellite dish farm or dish farm is an area dedicated to television or radio telecommunications transmitting or receiving antenna equipment, such as C, K u or K a band satellite dish antennas, UHF/VHF/AM/FM transmitter towers or mobile cell towers.

  7. Amateur radio homebrew - Wikipedia

    en.wikipedia.org/wiki/Amateur_radio_homebrew

    Homebrew is an amateur radio slang term for home-built, noncommercial radio equipment. [1] Design and construction of equipment from first principles is valued by amateur radio hobbyists, known as "hams", for educational value, and to allow experimentation and development of techniques or levels of performance not readily available as commercial products.

  8. Slow-scan television - Wikipedia

    en.wikipedia.org/wiki/Slow-scan_television

    SSTV transmissions often include station call signs, RST reception reports, and Amateur radio jargon. Slow-scan television (SSTV) is a picture transmission method, used mainly by amateur radio operators, to transmit and receive static pictures via radio in monochrome or color. A literal term for SSTV is narrowband television.

  9. File:International amateur radio symbol.svg - Wikipedia

    en.wikipedia.org/wiki/File:International_amateur...

    More than 100 pages use this file. The following list shows the first 100 pages that use this file only. A full list is available.. 15-meter band; 20-meter band; AMTOR; Amateur radio direction finding