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A gin pole in use loading logs A gin pole used to install a weather vane atop the 200-foot steeple of a church Roof trusses being assembled with gin poles. A gin pole is a mast supported by one or more guy-wires that uses a pulley or block and tackle mounted on its upper end to lift loads. The lower end is braced or set in a shallow hole and ...
The principle applications of guyed masts are the masts of sailing vessels, guyed towers, and as the main tower of heavy equipment such as cranes, power shovels, draglines, and derricks, the simplest of which is the gin pole. Guyed masts are frequently used for radio masts and towers.
1078 feet HAAT. Erected in 1981. No definitive cause ever found for collapse. Speculation was that the collapse was directly or indirectly related to the recent installation of their digital television antenna. The collapse destroyed the tower, KLTV's analog and digital antennas, KLTV's digital transmitter, and FM station KVNE's antenna. The ...
Cylindrical strain insulator of type used on utility pole and antenna mast guys. AM radio broadcast towers are often fitted with insulators at the mast base and the RF energy is fed at that point. Some are also insulated at the center for feeding the RF energy at that point.
In North America, for instance, there are transmitting antennas on the Empire State Building, the Willis Tower, Prudential Tower, 4 Times Square, and One World Trade Center. The North Tower of the original World Trade Center also had a 110-metre (360 ft) telecommunications antenna atop its roof, constructed in 1978–1979, and began ...
Media General Tower Jackson Jackson, Mississippi: Guyed Mast 491 m WHNS TV-Tower: Brevard, North Carolina: Guyed Mast 490.7 m KOBR-TV Tower: Caprock, New Mexico: Guyed Mast 490.2 m Joint Venture TV Tower Bithlo Bithlo, Florida: Guyed Mast 489.2 m American Towers Tower Bithlo Bithlo, Florida Guyed Mast 488 m NYT Broadcast Holdings Tower Oklahoma
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The crane boom and gin pole that was hoisting the antenna off its platform buckled along with the tower, and the antenna dug a furrow into the ground, folding into four large sections during the collapse. KGEO-TV's analog signal was briefly knocked off the air until it set up temporary transmitter facilities from an auxiliary tower in downtown ...