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Method for determining drift with a digital compass

  • US 6,446,003 B1
  • Filed: 09/26/2000
  • Issued: 09/03/2002
  • Est. Priority Date: 07/12/2000
  • Status: Expired due to Term
First Claim
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1. An integrated position and direction system comprising:

  • a digital compass adapted to determine direction;

    a satellite positioning system coupled to said digital compass, said satellite positioning system comprising;

    a receiver adapted to receive satellite position determining signals; and

    a controller coupled to said receiver, said controller for determining position and for determining heading;

    wherein said satellite positioning system is adapted to determine an amount of drift using said heading and said direction and to determine a direction of drift using said heading and said direction; and

    a display coupled to said satellite positioning system, said display for indicating said amount of drift and said direction of drift.

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