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The KVLY-TV mast (formerly the KTHI-TV mast) is a tall television-transmitting mast in Blanchardmarker, Traill County, North Dakotamarker, United Statesmarker, used by Fargomarker station KVLYmarker channel 11. It's considered the third tallest structure ever built, after Burj Dubaimarker and the Warsaw radio mastmarker (which collapsed in 1991).

Overview

Map of KNLY-TV Mast
The tower is located three miles west of Blanchard, North Dakotamarker, halfway between Fargo and Grand Forksmarker. It became the tallest artificial structure upon the completion of its construction on 13 August 1963. The mast was surpassed in height by in 1974 by the Warszawa radio mastmarker near Konstantynówmarker, Polandmarker, which collapsed on 8 August 1991, making the KNLY-TV mast again the tallest structure on land.

The still-under-construction Burj Dubaimarker in Dubaimarker, United Arab Emiratesmarker, planned for completion in December 2009, has surpassed the mast as the tallest land structure. As of 17 January 2009, Burj Dubai was reported to have reached a height of . However, the Council on Tall Buildings and Urban Habitat will not recognize the Burj Dubai figures as official until that building is complete .
A view up the tower.
Each colored segment is 100' tall.


The tower was built by Hamilton Electric Company York, South Carolina and Kline Iron and Steel, and took thirty days to complete, at a cost of US$500,000.

Owned by Hoak Media of Dallasmarker, Texasmarker, the tower broadcasts at 316 kW for television station KNLY (channel 11, an NBC affiliate) which is based in Fargomarker. The tower provides a broadcast area of roughly which is a radius of about .

Its height above mean sea level is . Some time after its completion, the FCC and FAA imposed a policy that states, "Although there is no absolute height limit for antenna towers, both agencies have established a rebuttable presumption against structures over 2,000 feet above ground level."[44563] The FCC and FAA may approve a taller structure in "exceptional cases."

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 elevator or ladder.

Images

Image:KVLYDistance.jpg|KVLY tower from a distance of about one mile (1.6 km)Image:KVLY-TV_Mast_Tower_Base.jpg.jpg|Base of the towerImage:KVLYPylon.jpeg|A guy-wire anchor

See also



Structures of similar height



External links




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