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Method and apparatus for satellite positioning system based time measurement

  • US 5,812,087 A
  • Filed: 02/03/1997
  • Issued: 09/22/1998
  • Est. Priority Date: 02/03/1997
  • Status: Expired due to Term
First Claim
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1. A method for measuring time related to satellite data messages for use with a satellite positioning system, said method comprising:

  • receiving at an entity a first record of at least a portion of a satellite data message;

    comparing said first record with a second record of said satellite data message wherein said first record and said second record overlap at least partially in time;

    determining a time from said comparing step, said time indicating when said first record was received at a remote entity.

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