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Systems and applications of lighter-than-air (LTA) platforms

  • US 9,519,045 B2
  • Filed: 08/29/2014
  • Issued: 12/13/2016
  • Est. Priority Date: 06/29/1999
  • Status: Expired due to Term
First Claim
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1. A method to determine a location of a device transmitting wireless signals to a plurality of lighter-than-air (LTA) platforms, the method comprising:

  • taking, at a processor configured to determine the location, signal path delay measurements from the plurality of LTA platforms, wherein the signal path delay measurements are determined at the plurality of LTA platforms based on wireless signals received at the plurality of LTA platforms from the device;

    determining, at the processor, the location of the device transmitting wireless signals based on the signal path delay measurements; and

    communicating, by the processor, the location of the device transmitting wireless signals to an LTA platform.

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