We are in the process of migrating all NASA Earth science data sites into Earthdata from now until end of 2026. Not all NASA Earth science data and resources will appear here until then. Thank you for your patience as we make this transition.
Read about the Web Unification Project
Gravity/Gravitational Field Data Access and Tools
Gravity/Gravitational Field Datasets
| Dataset Sort descending | Version | Platforms | Instruments | Temporal Extent | Spatial Extent | Spatial Resolution | Data Format |
|---|---|---|---|---|---|---|---|
| Ground-Based Global Navigation Satellite System (GNSS) Mixed 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 RECEIVER, 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) Mixed 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 (1-second sampling, sub-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 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 Global Navigation Satellite System (GNSS) Observation Summary Data (30-second sampling, daily files), output of TEQC (translation, editing, and quality check) 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) Quasi-Zenith Satellite System (QZSS) Broadcast Ephemeris Data (30-second sampling, hourly files) from NASA CDDIS | 1 | QZSS, GROUND STATIONS | QZSS P, GNSS | 1992-01-01 to Present |
N: 90 S: -90 E: 180 W: -180 |
RINEX | |
| Ground-Based Global Navigation Satellite System (GNSS) Quasi-Zenith Satellite System (QZSS) Broadcast Ephemeris Data (daily files) from NASA CDDIS | 1 | QZSS, GROUND STATIONS | QZSS P, GNSS RECEIVERS | 1992-01-01 to Present |
N: 90 S: -90 E: 180 W: -180 |
RINEX | |
| Ground-Based Global Navigation Satellite System (GNSS) Quasi-Zenith Satellite System (QZSS) Broadcast Ephemeris Data (sub-hourly files) from NASA CDDIS | 1 | QZSS, GROUND STATIONS | QZSS P, GNSS | 1992-01-01 to Present |
N: 90 S: -90 E: 180 W: -180 |
RINEX | |
| Ground-Based Global Navigation Satellite System (GNSS) Satellite-Based Augmentation System (SBAS) Broadcast Ephemeris Data (30-second sampling, hourly files) from NASA CDDIS | 1 | SBAS, GROUND STATIONS | SBAS P, GNSS | 1992-01-01 to Present |
N: 90 S: -90 E: 180 W: -180 |
RINEX | |
| Ground-Based Global Navigation Satellite System (GNSS) Satellite-Based Augmentation System (SBAS) Broadcast Ephemeris Data (daily files) from NASA CDDIS | 1 | SBAS, GROUND STATIONS | SBAS P, GNSS RECEIVERS | 1992-01-01 to Present |
N: 90 S: -90 E: 180 W: -180 |
RINEX |
SHOWING 10 OF 202
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