SOPAC Reanalysis for SNARF SOPAC Reanalysis for SNARF and Web-based Analysis and Web-based Analysis Tools Tools Yehuda Bock, Peng Fang, Linette Prawirodirdjo, Paul Jamason, Ruey-J Yehuda Bock, Peng Fang, Linette Prawirodirdjo, Paul Jamason, Ruey-J uin Chang, Ian Macleod, George Wadsworth uin Chang, Ian Macleod, George Wadsworth Scripps Orbit and Permanent Array Center Scripps Orbit and Permanent Array Center University of California San Diego University of California San Diego Frank Webb, Sharon Kader, Danan Dong Frank Webb, Sharon Kader, Danan Dong Jet Propulsion Laboratory, NASA Jet Propulsion Laboratory, NASA 8th SNARF workshop, AGU Special 8th SNARF workshop, AGU Special Session, San Francisco, Dec. 12, 2007 Session, San Francisco, Dec. 12, 2007
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SOPAC Reanalysis for SNARF and Web-based Analysis Tools Yehuda Bock, Peng Fang, Linette Prawirodirdjo, Paul Jamason, Ruey-Juin Chang, Ian Macleod, George.
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SOPAC Reanalysis for SNARF SOPAC Reanalysis for SNARF and Web-based Analysis Toolsand Web-based Analysis Tools
Yehuda Bock, Peng Fang, Linette Prawirodirdjo, Paul Jamason, RYehuda Bock, Peng Fang, Linette Prawirodirdjo, Paul Jamason, Ruey-Juin Chang, Ian Macleod, George Wadsworthuey-Juin Chang, Ian Macleod, George Wadsworth
Scripps Orbit and Permanent Array CenterScripps Orbit and Permanent Array CenterUniversity of California San DiegoUniversity of California San Diego
Jet Propulsion Laboratory, NASAJet Propulsion Laboratory, NASA
8th SNARF workshop, AGU Special Session, 8th SNARF workshop, AGU Special Session, San Francisco, Dec. 12, 2007San Francisco, Dec. 12, 2007
Data Set
• Global– IGS (385)– ITRF2005 (302 with 252 overlap with IGS)– TIGA (161 out of 276)– VLBI/SLR collocated (114 out of 137)– Doris (30 out of 30)Total 435 (current)
Data Processing StrategyData Processing Strategy(main differences from previous solutions)(main differences from previous solutions)
Reference frameReference frame iterf2005iterf2005
Antenna phase center modelAntenna phase center model Absolute (IGS)Absolute (IGS)
Tropospheric modelTropospheric model Vienna tropo. Mapping functionVienna tropo. Mapping functionOcean tidal loading modelOcean tidal loading model
FES2004 with CMC correctionFES2004 with CMC correction Differential code biasesDifferential code biases DCB for receivers and satellites (IGS)DCB for receivers and satellites (IGS)
Model parameter derivationModel parameter derivation
SOPAC ServicesSOPAC Services
GPS Analysis toolsGPS Analysis tools
• Select sites (SOMI map based)Select sites (SOMI map based)– Bounding box (with/without restrictions)Bounding box (with/without restrictions)– Site group (with/without restrictions)Site group (with/without restrictions)
• CoordinatesCoordinates• Time seriesTime series• VelocityVelocity• Time series fittingTime series fitting• Spatial filteringSpatial filtering• MappingMapping• Crustal modelingCrustal modeling