Satellite tracking antenna system

Details Satellite tracking antenna system Satellite tracking antenna system

1988-07-06

1990-04-24

Hille, Rolf

Communications: radio wave antennas

Antennas

Waterborne

343766, 343840, 343872, H01Q 118, H01Q 308

Patent

active

049203509

ABSTRACT:
A ship borne antenna using a gimballed mount for establishing a two degree of freedom unstabilized structure. A ring is mounted for rotation on a radome and carries an antenna mounted for rotation relative to the ring. The ring antenna are respectively driven by stepper motors. Variations in stability occurring by pitch, yaw or roll of the ship are corrected on a real time basis using a microprocessor that dynamically drives the ring and the antenna to maintain lock-on with a satellite.

REFERENCES:
patent: 2740962 (1956-04-01), Hammond
patent: 2899677 (1959-08-01), Rockall
patent: 3358285 (1967-12-01), Van Der Wall et al.
patent: 3911441 (1975-10-01), Stein
patent: 3984837 (1976-10-01), Tatnal
patent: 4035805 (1977-07-01), Mobley
patent: 4304381 (1981-12-01), Lloyd
patent: 4490724 (1984-12-01), Bickman
patent: 4596989 (1986-06-01), Smith et al.
patent: 4680521 (1987-07-01), Hofman

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