Satellite terminal position determination

  • US 6,072,430 A
  • Filed: 04/06/1998
  • Issued: 06/06/2000
  • Est. Priority Date: 04/09/1997
  • Status: Expired due to Fees
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First Claim
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1. A navigational satellite positioning system wherein a terminal is operable to receive time and orbit information from a plurality of navigational satellites to calculate the position of the terminal, said system including a communications network, operable to inform said terminal which of said plurality of navigational satellites are within range of said terminal, said terminal, in response thereto, listening only for those of said plurality of navigational satellites that are within range.

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