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The first, a 665 foot (203 m) half-wave mast was installed at radio station WABC's 50 kW transmitter at Wayne, New Jersey in 1931. [ 4 ] [ 5 ] During the 1930s it was found that the diamond shape of the Blaw-Knox tower had an unfavorable current distribution which increased the power emitted at high angles, causing multipath fading in the ...
The second-tallest structure in the world is the 679-metre-tall (2,227 ft) Merdeka 118 in Kuala Lumpur, Malaysia, while the third-tallest self-supporting structure and the tallest tower in the world is the Tokyo Skytree (634 m or 2,080 ft).
The tallest guyed tower is currently [when?] the 2,063 feet (629 m) KVLY-TV mast near Blanchard, North Dakota, USA. The mast on heavy equipment such as a crane is its main supporting tower, typically of trussed steel construction. Wire rope guys typically led back to the crane's base stabilize it and support its ability to bear significant ...
The tower was of a lighter weight than the 1917 design and had no stairs but only a ladder up the exterior to get to the top. In 1918 or 1919, wooden steps were added within the structure to ease access to the top of the tower. The Aermotor company later developed a self-supporting staircase for installation in the towers purchased in 1916.
Tomany Mountain is a 2,589-foot-tall (789 m) mountain in the Adirondack Mountains region of New York. It is located northwest of Arietta in Hamilton County. In 1912, the Conservation Commission built a wooden fire observation tower on the mountain. In 1916, wooden tower was replaced with a 50-foot-tall (15 m) Aermotor LL25 tower.
Terminological and listing criteria follow Council on Tall Buildings and Urban Habitat definitions. Guyed masts are differentiated from towers – the latter not featuring any guy wires or other support structures; and buildings are differentiated from towers – the former having at least 50% of occupiable floor space although both are self-supporting structures.
American Towers Tower Riverview-33569 Riverview, Florida Guyed Mast 477.6 m KBSI TV Mast: Cape Girardeau, Missouri: Guyed Mast 477.1 m Media General Tower Saint Ansgar Saint Ansgar, Iowa: Guyed Mast 477 m Red River Broadcast Tower Salem Salem, South Dakota: Guyed Mast 476.4 m Hearst-Argyle Television Tower Oklahoma City, Oklahoma Guyed Mast 475.6 m
The complex includes the 329 m (1,078 ft) Landmark Tower, which is the tallest building in Hanoi and 2nd-tallest in Vietnam, and the 212 m (696 ft) Towers 2 and 3 [43] [44] [45] Marina Bay Sands: 581,400 (6,258,000) Singapore Singapore: 207 (679) 2010
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