The FCC presumes them to be inconsistent with the public interest, while the FAA presumes them to be a hazard to air navigation, resulting in poor airspace usage. Furthermore, it is very difficult to get permission for structures over 2,000 feet (610 m) high. In the United States, the FAA and the FCC must approve all towers exceeding 200 feet (61 m) in height. Likewise Taipei 101 was often misrepresented as the world's tallest structure (although it was the tallest occupied building, before the certification of Dubai's Burj Khalifa as such), but in fact is far eclipsed by antenna towers in over a dozen states in the United States and in other countries. Prices generally vary depending on tower capacity and wind loading specifications.Ī common misperception is that landmarks such as the Stratosphere Tower are the tallest United States structures, but they are in fact the tallest buildings.
The design and construction are largely governed by RS222E Electronic Industries Alliance standards. Only four companies erect the majority of such structures: Doty Moore Tower Services ( Cedar Hill, Texas) Kline Towers ( Columbia, South Carolina) LeBlanc Royal Telecom ( Oakville, Ontario) and Stainless Inc. The engineering aspects of super-tall masts are highly specialized. This list is populated heavily by antenna masts.
However, the data is a matter of public record, appearing in documents maintained by the Federal Aviation Administration (FAA) and Federal Communications Commission (FCC). The height of structures in the United States has been poorly documented.
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