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  2. Austin transformer - Wikipedia

    en.wikipedia.org/wiki/Austin_transformer

    The two interlocking rings are the primary and secondary transformer windings. The spherical objects directly below and to the right of the windings are a spark ball gap , for lightning protection. An Austin ring transformer is a special type of isolation transformer with low capacitance between the primary and secondary windings and high ...

  3. KVLY-TV mast - Wikipedia

    en.wikipedia.org/wiki/KVLY-TV_mast

    Owned by Gray Media of Atlanta, Georgia, the tower broadcasts at 350 kW on channel 36 for television station KVLY-TV (channel 11 PSIP, an NBC/CBS affiliate) which is based in Fargo, North Dakota. The tower provides a broadcast area of roughly 9,700 square miles (25,000 km 2), which is a radius of about 55.0 miles (88.5 km).

  4. Radio masts and towers - Wikipedia

    en.wikipedia.org/wiki/Radio_masts_and_towers

    A steel lattice tower is cheaper to build than a concrete tower of equal height. Two small towers may be less intrusive, visually, than one big one, especially if they look identical. Towers look less ugly if they and the antennas mounted on them appear symmetrical. Concrete towers can be built with aesthetic design considerations.

  5. List of tallest structures in the United States - Wikipedia

    en.wikipedia.org/wiki/List_of_tallest_structures...

    WCOM-TV signed on March 3, 1988. The height of the tower was 1,748 ft (533 m). WCOM-TV used the tall tower and a directional antenna to try to serve the Columbus market. The station went dark in 1991 and the tower was sold to a religious broadcaster in South Carolina to be used as two separate 800 ft (240 m) towers.

  6. Tower array - Wikipedia

    en.wikipedia.org/wiki/Tower_array

    A tower array is an arrangement of multiple radio towers which are mast radiators in a phased array. [1] They were originally developed as ground-based tracking radars. [2] Tower arrays can consist of free-standing or guyed towers or a mix of them. Tower arrays are used to constitute a directional antenna of a mediumwave or longwave radio station.

  7. Lualualei VLF transmitter - Wikipedia

    en.wikipedia.org/wiki/Lualualei_VLF_transmitter

    The station's current antenna was built in 1972; it consists of two guyed masts, each 458.11 metres (1503 feet) tall, which are configured as umbrella antennas. They are fed by an overhead cable, fixed to a tall mast at one end, and at the opposite end to a smaller grounded mast near the helix building via an insulator.

  8. Antenna tuning hut - Wikipedia

    en.wikipedia.org/wiki/Antenna_tuning_hut

    The radio frequency current from the transmitter is supplied to the antenna through a cable called the feedline.The antenna tuning hut contains a matching network made of high wattage capacitors and inductors (coils) that in combination match the antenna's impedance to the feedline, to efficiently transfer power into the antenna.

  9. KCBS-TV/FM Tower - Wikipedia

    en.wikipedia.org/wiki/KCBS-TV/FM_Tower

    KCBS-TV/FM Tower (formerly the KNXT/KNX-FM Tower) is a 296.4 meter (972 ft) high guyed radio/television tower on Mount Wilson above Los Angeles (near the Mount Wilson Observatory) at 123 CBS Lane. [1] The KCBS-TV/FM Tower was built in 1986. [2] It was owned by CBS Corporation and used by KCBS-TV (Channel 2) and KCBS-FM (93.1 MHz, 27,500 watts ...

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