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Aircraft traffic warning system using an ad-hoc radio network

  • US 7,349,774 B2
  • Filed: 03/26/2007
  • Issued: 03/25/2008
  • Est. Priority Date: 01/26/2005
  • Status: Active Grant
First Claim
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1. A method for tracking aircraft using an airborne traffic warning system (TWS) having inter-coupled transceiver, processor, memory, annunciator and flight status instruments, comprising:

  • receiving repetitively ID and positional information signals from aircraft within communication range;

    updating using the received signals, a roster of aircraft whose IDs and positional information are retained in memory from the previous receiving step, including adding aircraft whose ID'"'"'s are not already stored in the roster and dropping aircraft whose ID'"'"'s were not included in the last N repetitions of the receiving step, where N>

    1;

    determining proximity of each of the aircraft from the received signals; and

    presenting the proximity information to the user via the annunciator.

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