[urdu_love] How The Satellite Dish Got Its Shape?

 

How The Satellite Dish Got Its Shape?

The satellite dish has become a ubiquitous fixture of 21st Century living. Office buildings in the city, tract homes in the suburbs, even historic enclaves in the hot spots of the Middle East all share a bumper crop of dishes pointed toward an imaginary point 35,786 kilometers above the equator. Satellite dishes come in varying sizes, but they all share a similar shape. It's a quirk of nature that a parabolic curve produces the perfect antenna for extremely high frequency, extremely short wavelength, transmissions.

 

Details at http://ow.ly/46abi

 

 

 

 

 

 

 

 

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