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System and method for aircraft altitude measurement using radar and known runway position

  • US 8,698,669 B1
  • Filed: 12/22/2010
  • Issued: 04/15/2014
  • Est. Priority Date: 07/25/2008
  • Status: Active Grant
First Claim
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1. A method of determining an altitude of an aircraft using aircraft position information and runway position information, the method comprising:

  • receiving a plurality of radar returns from a runway associated with the runway position information;

    determining a range between the aircraft and the runway using the aircraft position information and the runway position information;

    determining an angle between the aircraft and the runway using the radar returns; and

    determining the altitude of the aircraft based at least in part on the angle between the aircraft and the runway and the range.

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