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Traffic information service (TIS) uplink own aircraft heading correction

  • US 6,512,975 B2
  • Filed: 04/06/2001
  • Issued: 01/28/2003
  • Est. Priority Date: 04/07/2000
  • Status: Active Grant
First Claim
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1. A method for showing on a display, the position of intruder aircraft relative to an own aircraft comprising the steps of:

  • receiving a message uplinked from a ground station wherein said message includes a bearing of the intruder aircraft referenced from an uplinked groundtrack of the own aircraft;

    comparing said uplinked groundtrack received in said message with a groundtrack measurement received from an airborne device;

    determining a correction by obtaining a difference between said uplinked groundtrack and said groundtrack measurement;

    applying said correction to said bearing to obtain a corrected bearing; and

    displaying the intruder aircraft on the display at said corrected bearing from the own aircraft.

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