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
Frank Webb, Sharon Kader, Danan DongFrank Webb, Sharon Kader, Danan Dong
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)
• Regional (northern America)– SCIGN– PBO– OthersTotal 1121 (current)
SOPAC global solutions (ITRF2005, IGS)SOPAC global solutions (ITRF2005, IGS)
SOPAC regional solutions (NA continental) 2007.9SOPAC regional solutions (NA continental) 2007.9
SOPAC regional solutions (Alaska) 2007.9SOPAC regional solutions (Alaska) 2007.9
SOPAC regional solutions (NA continental) 2000.0SOPAC regional solutions (NA continental) 2000.0
SOPAC regional solutions (Alaska) 2000.0SOPAC regional solutions (Alaska) 2000.0
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)
Updated software packageUpdated software package GAMIT/GLOBK 10.32GAMIT/GLOBK 10.32Improved ambiguity resolutionImproved ambiguity resolution
Extra data setsExtra data sets TIGA, VLBI-SLR collocated, DORISTIGA, VLBI-SLR collocated, DORIS
Apriori. orbitsApriori. orbits
Apriori. EOPApriori. EOP
OTL modelOTL model
DCB tableDCB table
Ant phs center modelAnt phs center model
Apr. coordinatesApr. coordinates
Aux. tablesAux. tables
Orb/EOP constraintsOrb/EOP constraints
Ref frame constraintsRef frame constraints
GAMITGAMIT
Daily global subnet Daily global subnet solutionssolutions
GLOBKGLOBK
Daily combination Daily combination weekly combinationweekly combination
GAMITGAMIT
Daily global subnet Daily global subnet solutionssolutions
GAMIT
Daily regional subnet solutions
GAMITGAMIT
Daily regional subnet Daily regional subnet solutionssolutions
MATLAB or St_filter MATLAB or St_filter Spatial filteringSpatial filtering
Loosely constrained Loosely constrained solutionssolutions
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Web toolsWeb tools
Position/time seriesPosition/time series
VelocitiesVelocities
Strain/strain rateStrain/strain rate
Model termsModel terms
SeasonalSeasonal
Statistical propertyStatistical property
User application controlUser application control
Reference frame definitionReference frame definition
Selecting sitesSelecting sites
Setting constraintsSetting constraints
Spatial filteringSpatial filtering
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
Site selectionSite selection
Site coordinatesSite coordinates
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