Position determination systems

Details Position determination systems Position determination systems

1973-11-28

1976-04-06

Tubbesing, T. H.

Communications: radio wave antennas

Antennas

Balanced doublet - centerfed

325 14, 343100SA, 343112TC, H04B 719

Patent

active

039494004

ABSTRACT:
Disclosed is a system for an orbital antenna means which is operated at a synchronous altitude to scan an area of a celestial body. The antenna means comprises modules which are operated by a steering signal in a repetitive function for providing a scanning beam over the area. The scanning covers the entire area in a pattern and the azimuth of the scanning beam is transmitted to a control station on the celestial body simultaneous with signals from an activated ground beacon on the celestial body. The azimuth of the control station relative to the antenna means is known and the location of the ground beacon is readily determined from the azimuth determinations.

REFERENCES:
patent: 3351942 (1967-11-01), Sodano
patent: 3500411 (1970-03-01), Kiesling
patent: 3678387 (1972-07-01), Wilson
patent: 3710255 (1973-01-01), Gicca
"Navigation," Vol. 17, No. 3, Autumn 1964, pp. 335-341 by E. S. Keats.

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