How TheSatellite Dish Got Its Shape? The satellite dish has become a ubiquitous fixture of 21st Centuryliving. Office buildings in the city, tract homes in the suburbs, even historicenclaves in the hot spots of the Middle East all share a bumper crop of dishespointed toward an imaginary point 35,786 kilometers above the equator. Satellitedishes come in varying sizes, but they all share a similar shape. It's a quirkof nature that a parabolic curve produces the perfect antenna for extremely highfrequency, extremely short wavelength, transmissions.
Details at http://ow.ly/46abi -
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