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  2. Elevated photography - Wikipedia

    en.wikipedia.org/wiki/Elevated_photography

    Trailer-mounted telescoping mast in the travel position. Telescoping masts come in various sizes, ranging from 20' to over 100' long or high, and can be extended, and retracted manually, mechanically or pneumatically. Mechanical masts rely on a series of simple pulleys and a 12volt electric winch to operate.

  3. 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

  4. Mobile cell sites - Wikipedia

    en.wikipedia.org/wiki/Mobile_cell_sites

    The antenna supporting pole, with a standard height of up to 20 m, is made of aluminium and consists of three telescopic tubular elements. Installation is easy, fast and is carried out by means of manual winches. A mobile station on a trailer is a mobile station with a telescopic mast.

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

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

    The second-tallest structure in Nevada is the Moapa Entravision Tower at Moapa, a 426.7 m (1,400 ft) tall guyed TV mast at Moapa erected in 2008, the third-tallest is the 401 m (1,316 ft) tall Moapa Kemp Tower at Moapa, the fourth-tallest is Stratosphere Tower near downtown Las Vegas, which was erected in 1994–96 and reaches 1,149 ft (350 m ...

  6. Guyed mast - Wikipedia

    en.wikipedia.org/wiki/Guyed_mast

    Guyed radio masts are typically tall enough that they require several sets of guy lines, 2 to 4, attached at different heights on the mast, to prevent them from buckling. An exception to multiple guys was the Blaw-Knox tower , widely used during the 1930s, whose distinctive wide diamond ( rhomboidal ) shape gave it the shear strength that it ...

  7. Lattice tower - Wikipedia

    en.wikipedia.org/wiki/Lattice_tower

    In structural engineering, the term lattice tower is used for a freestanding structure, while a lattice mast is a guyed mast supported by guy lines. Lattices of triangular (three-sided) cross-section are most common, particularly in North America. Square (four-sided) lattices are also widely used and are most common in Eurasia.

  8. Telescoping (mechanics) - Wikipedia

    en.wikipedia.org/wiki/Telescoping_(mechanics)

    Telescoping in mechanics describes the movement of one part sliding out from another, lengthening an object (such as a telescope or the lift arm of an aerial work platform) from its rest state. [1] In modern equipment this can be achieved by a hydraulics , but pulleys are generally used for simpler designs such as extendable ladders and amateur ...

  9. Category:Radio masts and towers - Wikipedia

    en.wikipedia.org/wiki/Category:Radio_masts_and...

    Radio masts and towers support antennas (also known as aerials) for telecommunications and broadcasting, including television. Subcategories This category has the following 4 subcategories, out of 4 total.

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