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Geolocation using guided surface waves

  • US 10,175,048 B2
  • Filed: 08/17/2016
  • Issued: 01/08/2019
  • Est. Priority Date: 09/10/2015
  • Status: Active Grant
First Claim
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1. A navigation unit, comprising:

  • a guided surface wave receive structure configured to obtain electrical energy from a guided surface wave traveling along a terrestrial medium, the guided surface wave having a wave front incident at a complex Brewster angle of the terrestrial medium;

    a processor;

    a memory;

    an application comprising machine readable instructions stored in the memory that, when executed by the processor, cause the navigation unit to at least;

    identify when the guided surface wave is received by the guided surface wave receive structure;

    determine a current location of the navigation unit based at least in part on the guided surface wave; and

    determine an accuracy of the current location based at least in part on a secondary data source.

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