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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.

Upload File Type	FileType	FileContentType	Filename Examples
SLR normal point data	SLR	DATA	lageos1_20160307.npt
SLR full-rate data	SLR	DATA	ajisai_20160616.frd.Z
SLR satellite predictions	SLR	PRODUCT	galileo201_cpf_160617_6691.gal
SLR derived product (including product summary files)	SLR	PRODUCT	ilrsa.pos+eop.160701.v135.snx.Z gfz.orb.lageos1.160625.v35.sp3.Z
SLR product descriptive file	SLR	PRODUCT	jcet.dsc
SLR data report	SLR	MISC	l1bias16.0426
ILRS log files	SLR	MISC	godl_20160607.log
GNSS RINEX V2 daily data	GNSSV2	DATA	gode1800.16d.gz
GNSS RINEX V2 hourly data	GNSSV2	DATA	mas1180k.16d.gz
GNSS RINEX V2 high-rate data	GNSSV2	DATA	fair190m15.16d.gz
GNSS RINEX V3 daily data (long name filename format)	GNSS	DATA	BRUX00BEL_R_20161800000_01D_30S_MO.crx.gz BRUX00BEL_R_20161800000_01D_GN.rnx.gz
GNSS RINEX V3 hourly data (long name filename format)	GNSS	DATA	ONS100SWE_S_20161801000_01H_30S_MO.crx.gz ONS100SWE_S_20161801000_01H_EN.rnx.gz
GNSS RINEX V3 high-rate data (long name filename format)	GNSS	DATA	WTZ200DEU_S_20161900800_15M_01S_MO.crx.gz WTZ200DEU_S_20161900800_15M_RN.rnx.gz
GNSS RINEX V4 daily data (long name filename format)	GNSS	DATA	POTS00DEU_R_20220660000_01D_30S_MO.crx.gz
GNSS RINEX V4 hourly data (long name filename format)	GNSS	DATA	SGPO00USA_R_20220660300_01H_05M_MM.rnx.gz
GNSS RINEX V4 high-rate data (long name filename format)	GNSS	DATA	POTS00DEU_R_20220560000_15M_MN.rnx.gz
GNSS weekly/rapid/ultra-rapid derived product (including product summary files)	GNSS	PRODUCT	esa18702.sp3.Z gfu19034_18.erp.Z igr19004.sum.Z
GNSS ionosphere derived product	GNSS	PRODUCT	igrg1850.16i.Z
GNSS troposphere derived product	GNSS	PRODUCT	kit31600.16zpd.gz
GNSS real-time comparison derived product	GNSS	PRODUCT	igc19003.clk.Z
DORIS data (DORIS format)	DORIS	DATA	ja2data291.001.Z
DORIS data (RINEX format)	DORIS	DATA	DJ3_MED_1PaD20160529_000000
DORIS derived product	DORIS	PRODUCT	ign16087wd15.snx.Z
DORIS product descriptive file	DORIS	PRODUCT	ign.snx_series.readme
DORIS quaternions	DORIS	PRODUCT	ja3qsolp20160620220000_20160622020000
VLBI (any file)	VLBI	N/A	All VLBI related files
Miscellaneous	Contact support-cddis@nasa.gov for guidance

Datasets

Data at CDDIS

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Dataset Sort descending	Platform	Data Format	DOI
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 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 Change in Water Storage Time Series	GLONASS, GPS, GROUND STATIONS	SINEX	https://doi.org/10.5067/GNSS/gnss_measures_water_storage_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 Plate Boundary Aseismic Transient Deformation	GLONASS, GPS, GROUND STATIONS	ASCII, PDF	https://doi.org/10.5067/GNSS/gnss_measures_aseismic_transients_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
Combined GPS Broadcast Ephemeris Data (30-second sampling, hourly files) from NASA CDDIS	Beidou, Galileo, GLONASS, GPS, GROUND STATIONS, QZSS, IRNSS, SBAS	RINEX	https://doi.org/10.5067/GNSS/gps_hourly_b_001
Daily 30-second Combined GPS Broadcast Ephemeris data	NOT APPLICABLE	RINEX V3	https://doi.org/10.5067/GNSS/gps_daily_b_001
Daily 30-second GLONASS (GLObal NAvigation Satellite System) broadcast ephemeris data from NASA CDDIS	SATELLITES	RINEX V2	https://doi.org/10.5067/GNSS/glonass_daily_g_001
Doppler Orbitography and Radiopositioning Integrated by Satellite (DORIS) Data and Products Supporting Information from NASA CDDIS	OSTM/JASON-2, GROUND STATIONS, CRYOSAT-2, SENTINEL-3A, SARAL, HY2-A, JASON-3	ASCII
Doppler Orbitography and Radiopositioning Integrated by Satellite (DORIS) Data Cycle from NASA CDDIS	CRYOSAT-2, GROUND STATIONS, HY2-A, JASON-1, OSTM/JASON-2, SPOT-2, SPOT-3, SPOT-4, SPOT-5, TOPEX/POSEIDON	ASCII	https://doi.org/10.5067/DORIS/DORIS_DATA_MULTIDAY
Doppler Orbitography and Radiopositioning Integrated by Satellite (DORIS) Geocenter Products from NASA CDDIS	GEODYNAMIC STATIONS	geocenter	https://doi.org/10.5067/DORIS/DORIS_IDSGEOC_001
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	Station Coordinate Difference (STCD)
Doppler Orbitography and Radiopositioning Integrated by Satellite (DORIS) RINEX data from NASA CDDIS	CRYOSAT-2, GROUND STATIONS, HY2-A, OSTM/JASON-2	RINEX
Doppler Orbitography and Radiopositioning Integrated by Satellite (DORIS) RINEX Data from NASA CDDIS	GROUND STATIONS	RINEX	https://doi.org/10.5067/DORIS/DORIS_DATA_DAILY
Earth Orientation Parameters (EOP) products from the International Earth Rotation and Reference Systems Service (IERS) Rapid Service Prediction Center (RSPC) at the US Naval Observatory (USNO, updated sub-daily) from NASA CDDIS	SATELLITES	eop
General Archive Information from NASA CDDIS	GROUND STATIONS	ASCII
Global Navigation Satellite System (GNSS) Data and Products Support Information from NASA CDDIS	Beidou, Galileo, GLONASS, GPS, GROUND STATIONS, QZSS, IRNSS, SBAS	ASCII
Global Navigation Satellite System (GNSS) Earth Rotation Parameters (ERP) products from NASA CDDIS	GLONASS, GPS, GROUND STATIONS	ASCII
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

CDDIS Data Tools

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Items

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

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