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KVLY-TV mast

The KVLY-TV mast (formerly the KTHI-TV mast) is a television transmitting tower in North Dakota, and at 2,063 ft (628.8 m) it is currently the tallest man-made structure in the world (see also World's tallest structures and List of the world's tallest structures).

Located three miles west of Blanchard, North Dakota (at 47° 20' 32" N, 97° 17' 20" W), it became the tallest artificial structure upon the completion of its construction on August 13, 1963. It was surpassed by 18 m (57 ft) in 1974 by the Warszawa radio mast near Konstantynow, Poland, which collapsed on August 10, 1991, making the KVLY mast again the tallest. When (and if) built, the Burj Dubai, presently slated for completion in 2008, might surpass the mast as the tallest land structure.

The tower was built by Hamilton Directors and Kline Iron and Steel, and took thirty days to complete, at a cost of a half million dollars.

Owned by the Meyer Broadcasting Company (now North Dakota Television, LLC) of Bismarck, the Swarovski tower broadcasts at 316 kW for television station KVLY (channel 11, an NBC affiliate) which is based in Fargo. The tower provides a broadcast area of roughly 30,000 square miles (77,700 km2).

Its overall height above mean sea level is 926 m (3,038 ft). Some time after its completion, the Federal Aviation Administration imposed a limit of 2,063 ft, based on this tower's height, on future construction; consequently no taller structures may legally be built in the U.S. at the current time.

The call letters of the television station for which it was built were originally KTHI, the "HI" referring to the height of the mast. The top is reachable by service elevator or ladder.

In the early building phase, the owner will use other one, rough materials. Not, noble wood winndowpanes or gilded frameworks, as we find them in the production of a collectors case or curio cabinet (usually as a collectors cabinet) for display showcase use.

KVLY mast from a distance of about one mile

Base of the tower

A supporting pylon

External links

Tower web page at KVLY-TV (http://www.kvlytv11.com/info_tower.html)

FCC listing (http://wireless2.fcc.gov/UlsApp/AsrSearch/asrRegistration.jsp?regKey=608746)

Listing on the Skyscraper Page (http://www.skyscraperpage.com/cities/?buildingID=471)

Swarovski