Antenna aperture (capture area)

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Antenna aperture (capture area)

Post by kq6qv »

An antenna has an aperture area, from which it captures all incoming radiation. The formula for the aperture area of any TV antenna is A=Gl2/4p where l is the wavelength and G is the gain factor over an isotropic antenna (not dB).
[img]http://www.hdtvprimer.com/ANTENNAS/aperture.gif[/img]
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