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CDDIS Data Access and Tools

Explore datasets archived by NASA's Crustal Dynamics Data Information System (CDDIS) and learn more about relevant data tools.

All CDDIS data and products are located within the CDDIS data archive.

For details about how to use https or ftp-ssl access protocols, please visit the Archive Access page. 

To use customized search queries using the Earthdata Search API, please visit the Archive Search page for instructions.

Data at CDDIS

Filters
Dataset Platform Data Format DOI
Very Long Baseline Interferometry (VLBI) Positions Products from NASA CDDIS GROUND STATIONS SINEX
Global Navigation Satellite Systems (GNSS) Real-Time Orbit Products from NASA CDDIS GLONASS, GPS RTCM
Global Navigation Satellite System (GNSS) International Terrestrial Reference Frame (ITRF) 2020 products (IGS20) from NASA CDDIS GPS SINEX
Satellite Laser Ranging (SLR) Satellite Orbit Products from NASA CDDIS GROUND STATIONS SP3c
CDDIS MEaSUREs SESES products 3D station velocity estimates GLONASS, GPS, GROUND STATIONS SINEX header, text file https://doi.org/10.5067/GNSS/gnss_measures_station_velocities_001
CDDIS MEaSUREs SESES products High-rate Earthquake Displacement GLONASS, GPS, GROUND STATIONS text, image, metadata, and binary data files https://doi.org/10.5067/GNSS/gnss_measures_earthquake_displacements_001
CDDIS MEaSUREs SESES products Horizontal Strain Rate Grids GLONASS, GPS, GROUND STATIONS netCDF, PDF https://doi.org/10.5067/GNSS/gnss_measures_strain_rates_001
CDDIS MEaSUREs SESES products Weekly Coseismic Offset Time Series GLONASS, GPS, GROUND STATIONS Text https://doi.org/10.5067/GNSS/gnss_measures_coseismic_offsets_001
CDDIS MEaSUREs SESES products weekly displacement grids time series GLONASS, GPS, GROUND STATIONS netCDF, PDF, MP4 https://doi.org/10.5067/GNSS/gnss_measures_displacement_fields_001
CDDIS MEaSUREs SESES products Change in Water Storage Time Series GLONASS, GPS, GROUND STATIONS SINEX https://doi.org/10.5067/GNSS/gnss_measures_water_storage_001
MEaSUREs SESES Daily GNSS Geodetic Displacement TIme Series products from NASA CDDIS GLONASS, GPS, GROUND STATIONS SOPAC GLOBK ATS Model https://doi.org/10.5067/GNSS/gnss_daily_displacement_timeseries_001
CDDIS MEaSUREs SESES GNSS products Daily 5-minute Precise Point Positioning (PPP) Tropospheric Estimates GLONASS, GPS, GROUND STATIONS SOPAC GLOBK ATS Model https://doi.org/10.5067/GNSS/gnss_measures_tropo_001
CDDIS MEaSUREs SESES products Plate Boundary Aseismic Transient Deformation GLONASS, GPS, GROUND STATIONS ASCII, PDF https://doi.org/10.5067/GNSS/gnss_measures_aseismic_transients_001
Global Navigation Satellite Systems (GNSS) Positions Products from NASA CDDIS GLONASS, GPS, GROUND STATIONS SINEX
Miscellaneous Information from CDDIS SATELLITES
Very Long Baseline Interferometry (VLBI) Celestial Reference Frame (CRF) solution products from NASA CDDIS GROUND-BASED OBSERVATIONS IERS CRF https://doi.org/10.5067/VLBI/VLBI_global_soln_crf_001
Very Long Baseline Interferometry (VLBI) Earth Orientation Parameters (EOP) Products from NASA CDDIS GROUND-BASED OBSERVATIONS Text File
Doppler Orbitography and Radiopositioning Integrated by Satellite (DORIS) Ionosphere Products from NASA CDDIS GEODYNAMIC STATIONS SINEX https://doi.org/10.5067/DORIS/DORIS_IDSIONO_001
Doppler Orbitography and Radiopositioning Integrated by Satellite (DORIS) Orbit Products from NASA CDDIS GEODYNAMIC STATIONS SINEX https://doi.org/10.5067/DORIS/DORIS_IDSORB_001
Doppler Orbitography and Radiopositioning Integrated by Satellite (DORIS) Positions Products from NASA CDDIS CRYOSAT-2, GROUND STATIONS, HY2-A, JASON-1, OSTM/JASON-2, SPOT-2, SPOT-3, SPOT-4, SPOT-5, TOPEX/POSEIDON STCD
Global Navigation Satellite System (GNSS) Earth Rotation Parameters (ERP) products from NASA CDDIS GLONASS, GPS, GROUND STATIONS ASCII https://doi.org/10.5067/GNSS/GNSS_IGSERP_001
Global Navigation Satellite System (GNSS) Final Clocks Products from NASA CDDIS GLONASS, GPS, GROUND STATIONS RINEX
Global Navigation Satellite System (GNSS) Final Ionosphere Products from NASA CDDIS GLONASS, GPS, GROUND STATIONS IONEX
Global Navigation Satellite System (GNSS) Final Orbit Products from NASA CDDIS GLONASS, GPS SP3c
Global Navigation Satellite System (GNSS) High-rate (1-second sampling, sub-hourly files) Observation Data from NASA CDDIS SATELLITES, Galileo, GLONASS, GPS, GROUND STATIONS, QZSS RINEX

CDDIS Data Tools

Filters
Tool Sort descending Description Services
GUARDIAN The GNSS-based Upper Atmospheric Realtime Disaster Information and Alert Network (GUARDIAN) is a near real-time (NRT) ionospheric monitoring tool for natural hazards warning. Monitoring Natural Events
SLR SAM Track anomalies within satellite laser ranging station performance using isolation forest with publicly available satellite data. Analysis, Visualization, Comparison
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