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Gravity/Gravitational Field Data Access and Tools

Gravity/Gravitational Field Datasets

Dataset Version Sort ascending Platforms Instruments Temporal Extent Spatial Extent Spatial Resolution Data Format
Ground-Based Meteorological Data (daily, 24 hour files) from Co-Located Ground-Based Global Navigation Satellite System GLONASS (GLObal NAvigation Satellite System) Receivers from NASA CDDIS 1 GLONASS, GROUND STATIONS GLONASS P, GNSS RECEIVER 1998-01-01 to Present

N: 90 S: -90 E: 180 W: -180

RINEX
Global Navigation Satellite System (GNSS) IGS Decoded Clock Solution (10-second) from IGS Real-Time Product Streams from NASA CDDIS 1 Beidou, Galileo, GLONASS, GPS, GROUND STATIONS, QZSS, IRNSS, SBAS Beidou P, Galileo P, GLONASS P, GPSP, GNSS, QZSS P, IRNSS P, SBAS P 2009-02-01 to Present

N: 90 S: -90 E: 180 W: -180

RINEX Extensions to Handle Clock Information
Ground-Based Global Navigation Satellite System (GNSS) Hatanaka-compressed Observation Data (30-second sampling, hourly files) from NASA CDDIS 1 Beidou, Galileo, GLONASS, GPS, GROUND STATIONS, QZSS, IRNSS, SBAS Beidou P, Galileo P, GLONASS P, GPSP, GNSS RECEIVERS, QZSS P, IRNSS P, SBAS P 1992-01-01 to Present

N: 90 S: -90 E: 180 W: -180

RINEX
Ground-Based Global Navigation Satellite System (GNSS) Observation Data (30-second sampling, daily, 24 hour files) from NASA CDDIS 1 Beidou, Galileo, GLONASS, GPS, GROUND STATIONS, QZSS, IRNSS, SBAS Beidou P, Galileo P, GLONASS P, GPSP, GNSS RECEIVER, QZSS P, IRNSS P, SBAS P 1992-01-01 to Present

N: 90 S: -90 E: 180 W: -180

RINEX
Ground-Based Doppler Orbitography and Radiopositioning Integrated by Satellite (DORIS) Extension of the International Terrestrial Reference Frame (ITRF) for Precise Orbit Determination (DPOD) from NASA CDDIS 1 OSTM/JASON-2, GROUND STATIONS, CRYOSAT-2, Sentinel-3A, SARAL, HY2-A, JASON-3, ENVISAT, TOPEX/POSEIDON, JASON-1, SPOT-2, SPOT-3, SPOT-4, SPOT-5 DORIS, DORIS GROUND STATION BEACON 1992-01-01 to Present

N: 90 S: -90 E: 180 W: -180

IDS internal DPOD format
Ground-Based GNSS-based Upper Atmospheric Realtime Disaster Information and Alert Network (GUARDIAN) GLONASS daily accumulated real-time Precise Orbit Determination (POD) Attitude Quaternions (30-second sampling, 24-hour files) from NASA CDDIS 1 GLONASS, GROUND STATIONS 2023-10-01

N: 90 S: -90 E: 180 W: -180

JPL Quaternions (ASCII)
Ground-Based Global Navigation Satellite System (GNSS) Combined Broadcast Ephemeris Data (30-second sampling, hourly files) from NASA CDDIS 1 Beidou, Galileo, GLONASS, GPS, GROUND STATIONS, QZSS, IRNSS, SBAS Beidou P, Galileo P, GLONASS P, GPSP, GNSS, QZSS P, IRNSS P, SBAS P 1992-01-01 to Present

N: 90 S: -90 E: 180 W: -180

RINEX
Ground-Based Satellite Laser Ranging (SLR) Observation Data (normal points, hourly files) from NASA CDDIS 1 LAGEOS-1, LAGEOS-2, ETALON-1, ETALON-2, GROUND STATIONS, AJISAI, STARLETTE, STELLA, Galileo, GLONASS, Beidou, IRNSS, QZSS, LARES LASER REFLECTOR, SLR Station 2010-01-01 to Present

N: 90 S: -90 E: 180 W: -180

ILRS data format, CRD format
First ISCCP Regional Experiment (FIRE) Atlantic Stratocumulus Transition Experiment (ASTEX) ECMWF Diagnostics 1 MODELS NOT APPLICABLE 1992-06-01 to 1992-06-28 ASCII
Global Navigation Satellite System (GNSS) IGS Final Combined Station Positions/Velocities Product from NASA CDDIS 1 Beidou, Galileo, GLONASS, GPS, GROUND STATIONS, QZSS, IRNSS, SBAS Beidou P, Galileo P, GLONASS P, GPSP, GNSS, QZSS P, IRNSS P, SBAS P 1992-01-01 to Present

N: 90 S: -90 E: 180 W: -180

SINEX, UNIX compressed ASCII
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