Reflector antenna for telecommunications

Details Reflector antenna for telecommunications Reflector antenna for telecommunications

1987-04-08

1989-04-25

Sikes, William L.

Communications: radio wave antennas

Antennas

With means for moving directive antenna for scanning,...

343840, 343882, H01Q 308

Patent

active

048252182

ABSTRACT:
A telecommunications antenna is provided with a reflector having a semi-offset geometry, a feed mounted on a feed source rigidly fixed to the reflector, an antenna pedestal for supporting the reflector and the feed. Positioning of the feed is such that, in respect of a reflector illumination half-angle .beta. as seen from the feed such that 45.degree.<.beta.<55.degree., the offset angle .alpha. (angle between the focal axis .DELTA..sub.Foc and the median ray of the total beam which is emitted by the feed and illuminates the reflector) is 25.degree.<.alpha.<35.degree., the antenna mount being of the azimuth-elevation type known as an az-el mount.

REFERENCES:
patent: 3076964 (1963-02-01), Reinhold
patent: 3407404 (1968-10-01), Cook et al.
patent: 3914768 (1975-10-01), Ohm
patent: 4475110 (1984-10-01), Hutchins
patent: 4490726 (1984-12-01), Weir
patent: 4628323 (1986-12-01), Crean

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