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High-Rate GPS Applications

High-Rate GPS Applications. University of Colorado: Kristine M. Larson, Andria Bilich and Kyuhong (Kevin) Choi USGS: Joan Gomberg Memphis: Paul Bodin Pacific Geoscience Centre: Herb Dragert and Honn Kao Earthquake Research Institute & Stanford: Shinichi Miyazaki Purdue: Jennifer Haase.

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High-Rate GPS Applications

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  1. High-Rate GPS Applications University of Colorado: Kristine M. Larson, Andria Bilich and Kyuhong (Kevin) Choi USGS: Joan Gomberg Memphis: Paul Bodin Pacific Geoscience Centre: Herb Dragert and Honn Kao Earthquake Research Institute & Stanford: Shinichi Miyazaki Purdue: Jennifer Haase

  2. Denali Seismic Instrumentation

  3. Preliminary Results

  4. 2003 September 25 Tokachi-Oki (Hokkaido) Earthquake Strong Motion Network GPS Network

  5. Lost power during main shock.

  6. 1 Hz GPS Position Estimates

  7. 1 Hz GPS Position Estimates

  8. 1 Hz GPS Position Estimates

  9. 1 Hz GPS Position Estimates

  10. 1 Hz GPS Position Estimates

  11. 1 Hz GPS Position Estimates

  12. 1 Hz GPS Velocity Estimates

  13. What next ? • Software improvements • Examine higher sampling rates • Decide how we want to implement high-rate GPS • Build necessary infrastructure

  14. What about PBO? Acknowledgements • If we aren’t going to archive the 1-Hz data anyway, and the receivers are capable of tracking at 5 Hz, why not buffer at 5 Hz? • NSF and UNAVCO • IGS, JPL, CORS, SOPAC, CDDIS • Geodetic Survey Division, Geomatics Canada • Base Mapping & Geomatics Services, B.C., AeroMap Surveying • Jeff Freymueller, Jim Ray, Will Prescott, Linda Nussear, Angelyn Moore, Jan Kouba, Frank Webb, Tim Melbourne, S.K. Singh.

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