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Probably the most famous broadcast antenna farm of all is the World Trade Center Tower One, on which many of the New York City television and several FM stations had their antennas. All were lost when Twin Towers One and Two collapsed after the September 11 attacks in 2001.
The Sharp's Ridge antenna farm is also the transmitting location for Class C FM radio station, WJXB-FM 97.5, whose antenna is located on the South Central Communications tower. One Class A FM radio station, WKHT-FM 104.5, one Class D FM station W244AT at 96.7 and another Class D FM station W275AD at 102.9 all broadcast from the "Spectracite ...
A mast radiator or mast antenna is a radio tower or mast in which the whole structure is an antenna. Mast antennas are the transmitting antennas typical for long or medium wave broadcasting. Structurally, the only difference is that some mast radiators require the mast base to be insulated from the ground.
Th KXTV/KOVR Tower, the Channel 40 and KVIE-TV Channel 6 Tower, and the Channel 3-Hearst-Argyle Tower form an antenna farm on the east side of the Sacramento River and west of the Interstate 5 freeway which can be easily seen for miles around in every direction.
Mount Wilson aerial photo, showing Radio Ridge antenna farm and the Observatory. Photo by Doc Searls. In 1889, Professor William Pickering of Harvard University, along with telescope-maker Alvan Clark, prepared an experiment with 4-and-13-inch (102 and 330 mm) telescopes at Mount Wilson. University students would operate the telescopes for ...
Sweat Mountain antenna farm Sweat Mountain has a small antenna farm , on the highest point in metro Atlanta which is not protected as a park, at a summit elevation of 1,640 feet (500 m) 34°4′1″N 84°27′20″W / 34.06694°N 84.45556°W / 34.06694; -84.45556
The antenna array is composed of three concentric rings of antenna elements. Each ring of elements receives RF signals for an assigned portion of the 1.5 to 30-MHz radio spectrum. The outer ring normally covers the 2 to 6-MHz range (band A), but also provides reduced coverage down to 1.5 MHz.
G: the antenna gain; is the magnetic constant; is the electric constant; For antennas which are not defined by a physical area, such as monopoles and dipoles consisting of thin rod conductors, the effective length (units: meter) is used to measure the ratio between voltage and electric field.