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  2. Rohn Industries - Wikipedia

    en.wikipedia.org/wiki/Rohn_Industries

    ROHN Manufacturing was founded in 1948 by Dwight Rohn, who at the time was manager of the Peoria Airport. The first tower he built was for airport use. [ 1 ] ROHN first began producing antenna towers for home television reception, and subsequently expanded its product line to include the manufacturing of telecommunication towers and other ...

  3. List of tallest structures – 400 to 500 metres - Wikipedia

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

    This is a part of the list of tallest structures in the world, past and present of any type.. This list includes quite a lot of masts. A mast is a man-made support structure, commonly used on sailing ships as support for sails, or on land as radio masts and towers used to support telecommunication equipment such as radio antennas ("aerials" in the UK).

  4. Grade II* listed buildings in North Yorkshire (district ...

    en.wikipedia.org/wiki/Grade_II*_listed_buildings...

    There are over 20,000 Grade II* listed buildings in England.This page is a list of 384 buildings in the unitary authority area of North Yorkshire.. As there are 536 Grade II* listed buildings in the district, the 152 churches and chapels are instead detailed in the article Grade II* listed churches in North Yorkshire (district).

  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. Radio masts and towers - Wikipedia

    en.wikipedia.org/wiki/Radio_masts_and_towers

    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 is a guyed mast, a thin structure without the shear strength to stand unsupported, that uses attached guy lines for stability. They may be mounted on the ground or on top of buildings.

  7. 45 Broad Street - Wikipedia

    en.wikipedia.org/wiki/45_Broad_Street

    45 Broad Street is a residential building being constructed in the Financial District of Manhattan in New York City. [2] The building was originally planned as Lower Manhattan's tallest residential tower. Excavation started in 2017, but as of 2020, construction is on hold.

  8. Mast radiator - Wikipedia

    en.wikipedia.org/wiki/Mast_radiator

    A mast radiator (or radiating tower) is a radio mast or tower in which the metal structure itself is energized and functions as an antenna. This design, first used widely in the 1930s, is commonly used for transmitting antennas operating at low frequencies , in the LF and MF bands, in particular those used for AM radio broadcasting stations.

  9. List of catastrophic collapses of broadcast masts and towers

    en.wikipedia.org/wiki/List_of_catastrophic...

    400-foot transmitter tower located on Averil Peak, NY completely collapsed as a result of accumulation of ice and snow from the April 2007 Nor'easter. Partially damaged the transmitter building at the base. New tower erected and back in service Oct, 9 2007. Browns Summit Crown Castle Broadcasting Tower, Browns Summit, Texas, US May 29, 2007