Earth station antenna shield

Details Earth station antenna shield Earth station antenna shield

1983-06-02

1987-03-17

Lieberman, Eli

Communications: radio wave antennas

Antennas

Buried underground or submerged under water

343914, 342 4, H01Q 104, H01Q 152, H01Q 1700

Patent

active

046511601

ABSTRACT:
A shield for a satellite earth station located in a dense radio frequency environment. The shield includes a satellite earth station antenna position in a pit. Surrounding the pit is a tear-shaped earthen berm. Positioned on top of the berm is a wall made of a series of modular precast concrete panels specially designed to reduce the diffraction of radio frequency interference over the top of the panels and to minimize the internal reflection of radio frequency interference. The panels each include an inner face of two sets of horizontal slats set at alternating angles. The two sets of slats are designed to attenuate and disperse radio frequency interference in the range of the satellite communication downlink and uplink frequencies. In addition, the present invention includes specially shaped grooves cast into the top face of the panels which attenuate radio frequency interference passing over the top of the wall.

REFERENCES:
Fanwall, Project Report F-36, The Fanwall Corp., 1983.
Ekco; vol. 18, No. 2, Nov. 1982.

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