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SYNCHRONIZATION AND POSITIONING OF SEISMIC DATA ACQUISITION SYSTEMS

  • US 20080189044A1
  • Filed: 08/03/2007
  • Published: 08/07/2008
  • Est. Priority Date: 10/04/2002
  • Status: Abandoned Application
First Claim
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1. A seismic survey network comprising a plurality of data processing modules and a central recording unit;

  • a first portion of said data processing modules including seismic data acquisition modules having a first clock means and an assisted global positioning system (GPS) receiver;

    said central recording unit having a second clock means and a master global positioning system (GPS) receiver, each of said data acquisition modules having one or more seismic sensors with respective specific identities operatively connected thereto for transmission of seismic data to the respective data acquisition module;

    said survey network further comprising a communication network connected among said data processing modules and said central recording unit linking said master GPS receiver and said assisted GPS receivers, said master GPS receiver transmitting to said assisted GPS receiver over said communication network satellite tracking assistance data and current best-estimate data of said assisted GPS receiver location;

    said assisted GPS receiver transmitting to said master GPS receiver for processing and storage, over said communication network, satellite data collected by said assisted GPS receiver.

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