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Satellite positioning reference system and method

  • US 6,215,441 B1
  • Filed: 04/28/1998
  • Issued: 04/10/2001
  • Est. Priority Date: 04/15/1997
  • Status: Expired due to Term
First Claim
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1. A method of processing satellite position information in a satellite positioning system (SPS), said method comprising:

  • receiving at a first digital processing system a first satellite ephemeris data from a first SPS receiver having a first known position;

    receiving at said first digital processing system a second satellite ephemeris data from a second SPS receiver having a second known position;

    receiving at said first digital processing system a plurality of pseudorange data from a mobile SPS receiver;

    calculating a position information of said mobile SPS receiver using said plurality of pseudorange data and at least one of said first satellite ephemeris data and said second satellite ephemeris data.

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