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Method for determining, recording and sending GPS location data in an underwater environment

  • US 20040068371A1
  • Filed: 05/12/2003
  • Published: 04/08/2004
  • Est. Priority Date: 05/31/2002
  • Status: Active Grant
First Claim
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1. A position determination system suitable for underwater deployment, said system comprising a global positioning system (GPS) for providing GPS data representing a position of a GPS receiver, a sonar ranging transmitter and receiver providing ranging data representing a distance and direction from a sonar receiver to a sonar transmitter, and means for combining said ranging data with said GPS data to provide geographically-referenced position data representing a position of said sonar receiver.

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