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 |
Pagination
Frequently Asked Questions
Earthdata Forum
Our online forum provides a space for users to browse thousands of FAQs about research needs, data, and data applications. You can also submit new questions for our experts to answer.
Submit Questions to Earthdata Forumand View Expert Responses