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Seismic measuring system including GPS receivers

  • US 7,526,386 B2
  • Filed: 08/10/2006
  • Issued: 04/28/2009
  • Est. Priority Date: 07/17/2003
  • Status: Expired due to Fees
First Claim
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1. A deformation monitoring system including:

  • one or more base receivers for receiving global navigation satellite system signals that are used to determine global position and having associated antennas with substantial views of the sky, the one or more base receivers acquiring and tracking the satellite signals and providing range information;

    a plurality of slave receivers for receiving the global navigation satellite system signals, the slave receivers being selectively located over the site being monitored, the slave receivers acquiring and tracking the satellite signals and providing range information; and

    a data recording and control center forcollecting the range information over an extended period of time and batch processing the information to determine which respective range data are valid and calculate the positions of the respective slave receivers using the valid range data, andanalyzing the calculated positions to determine movement that indicates deformation.

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