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List of masts - Wikipedia, the free encyclopedia (331 words) |
 | A mast is a man-made support structure, commonly used on sailing ships as support for sails, or on land as radio masts and towers used to support telecommunication equipment such as radio antennas ("aerials" in the UK). |
| Most of the taller masts are located in the United States, where a prevalence of masts of around 2000 feet (609.6 m) in height is the result of special rules in that country limiting structures and objects taller than 2000 feet. |
| The Petronius Compliant Tower is an oil platform standing 2100 ft or 640 m (to the top of the spire) and is the tallest non-guyed structure in existence but is mostly underwater. |
| Texas Towers - Texastower.com - Old Shakey (5940 words) |
| In mid-1956, after first tower was erected, the staffing structure was hiked from 46 to 49 officers and airmen for sustaining Texas Tower missions. |
| For protection from wind, rain and snow, all three antennas were to be enclosed in arctic tower radomes composed of a rubberized dome sprouting bulbously 55 feet in diameter, and supported underneath by a walled framework. |
| American Telephone and Telegraph Company (ATandT), which frowned on this idea, was approached with a proposal to take charge, on a contract basis, of maintenance and operation responsibilities for the tropospheric system. |
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