Method and apparatus for early service using phased satellite de

Aeronautics and astronautics – Spacecraft – Spacecraft formation – orbit – or interplanetary path

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455 121, 455 132, 342350, 342352, 342354, 342368, B64G 110

Patent

active

060070277

ABSTRACT:
A method (100) for providing continuous communication service from a partially populated satellite constellation includes deploying one or more phases of satellites to populate one or more sets of orbital planes (210), and providing continuous communication service from the one or more sets of orbital planes. Satellites (320) in each phase of satellites can be positioned to reside substantially the same as a position in which they will reside in a fully populated satellite constellation thereby eliminating the need to relocate satellites in the fully populated satellite constellation. Also, a communication unit (600) and a method (700) for the communication unit to communicate in a satellite communication system having a satellite constellation capable of being deployed in a plurality of phases is provided. The communication unit is capable of communicating with the satellite communication system at various minimum elevation angles during various phases of deployment. Additionally, an antenna apparatus (800) adapted for providing satellite service at various minimum elevation angles during various phases of deployment also is provided.

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Definition for "propose," Webster's New Riverside University Dictionary, 1994.

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