Artificial satellite communication system

Details Artificial satellite communication system Artificial satellite communication system

1992-05-21

1999-02-16

Mojica, Virna Lissi

Aeronautics and astronautics

Spacecraft

Spacecraft formation, orbit, or interplanetary path

455 121, 342352, B64G 110, B64G 122, H04B 7185

Patent

active

058711813

ABSTRACT:
A communication system including a constellation of a plurality of artificial satellites orbiting the Earth, each artificial satellite having communication apparatus providing communication with the Earth, characterized in that the plurality of artificial satellites are in triply-geosynchronous (TGS) orbits having a period of eight sidereal hours, or twice-triply-geosynchronous (TTGS) orbits having a period of sixteen sidereal hours, which orbits are inclined with respect to the Equator and synchronized with the Earth's rotation such as to exploit the natural spacing of approximately 120.degree. in longitude of the major land masses of Europe, North America and the Far East for communication with the artificial satellites to provide for higher elevation angles in such land masses than in other areas.

REFERENCES:
patent: 3243706 (1966-03-01), Grisham
patent: 4809935 (1989-03-01), Draim
patent: 4854527 (1989-08-01), Draim
David Luders "Satellite Networks for Continuous Zonal Coverage" Feb. 1961 ARS Journal pp. 179-184.
Beste Design of Satellite Constellations for Optimal Continuous Coverage. May 1978 pp. 466-473.
Draim Satellite Constellations for Optimal Northern Hemisphere Coverage Oct. 1983.
Walker Circular Orbit Patterns Providing Continuous Whole Earth Coverage Nov. 1970.

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