Delivery of Suomi National Polar-orbiting Partnership (Suomi NPP) satellite data products will cease on November 1, 2026. Data users should transition now to alternative products from NOAA-21 and NOAA-20.
Suomi NPP data announcement
Gravity/Gravitational Field Data Access and Tools
Gravity/Gravitational Field Datasets
| Dataset Sort descending | Version | Platform | Instrument | Temporal Extent | Spatial Extent | Spatial Resolution | Data Format |
|---|---|---|---|---|---|---|---|
| China Dimensions Data Collection: China Maps Bibliographic Database | 1.00 | MODELS | Computer | 1765-01-01 to 1994-12-31 |
N: 54 S: 18 E: 135 W: 73 |
MDB | |
| Combined GPS 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 | |
| Doppler Orbitography and Radiopositioning Integrated by Satellite (DORIS) Data and Products Supporting Information from NASA CDDIS | 1 | OSTM/JASON-2, GROUND STATIONS, CRYOSAT-2, Sentinel-3A, SARAL, HY2-A, JASON-3 | DORIS, DORIS GROUND STATION BEACON | 1992-01-01 to Present |
N: 90 S: -90 E: 180 W: -180 |
ASCII | |
| 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 | 1 | SATELLITES | VLBI Station, SLR, GPS, DORIS | 1973-01-01 to Present |
N: 90 S: -90 E: 180 W: -180 |
IVS EOP | |
| First ISCCP Regional Experiment (FIRE) Atlantic Stratocumulus Transition Experiment (ASTEX) ECMWF Diagnostics | 1 | MODELS | NOT APPLICABLE | 1992-06-01 to 1992-06-28 |
N: 45 S: 20 E: -5 W: -35 |
ASCII | |
| General Archive Information from NASA CDDIS | 1 | GROUND STATIONS | GNSS, SLR Station, VLBI Station, DORIS GROUND STATION BEACON | 1976-01-01 to Present |
N: 90 S: -90 E: 180 W: -180 |
ASCII | |
| Global Navigation Satellite System (GNSS) Data and Products Support Information 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 |
ASCII | |
| Global Navigation Satellite System (GNSS) Final Orbit Products from NASA CDDIS | 1 | GLONASS, GPS | GLONASS P | 1992-06-14 to Present |
N: 90 S: -90 E: 180 W: -180 |
SP3c | |
| Global Navigation Satellite System (GNSS) High-rate (1-second sampling, sub-hourly files) Observation Data from NASA CDDIS | 1 | SATELLITES, Galileo, GLONASS, GPS, GROUND STATIONS, QZSS | COMPASSES, Galileo, GLONASS, GPS, GNSS RECEIVER, QZSS | 2001-05-01 to Present |
N: 90 S: -90 E: 180 W: -180 |
RINEX V2 | |
| Global Navigation Satellite System (GNSS) IGS Analysis Center (AC) Final Orbit/Reference Frame Product 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 | |
| Global Navigation Satellite System (GNSS) IGS Analysis Center (AC) Final 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 | |
| Global Navigation Satellite System (GNSS) IGS Analysis Center (AC) Ionosphere Vertical Total Electron Content (VTEC) 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 | 1998-01-01 to Present |
N: 90 S: -90 E: 180 W: -180 |
IONEX | |
| Global Navigation Satellite System (GNSS) IGS Combined Final Clock Solution Comparison Summary Product from NASA CDDIS | 1 | Beidou, Galileo, GLONASS, GPS, GROUND STATIONS, QZSS, IRNSS | Beidou P, Galileo P, GLONASS P, GPSP, GNSS, QZSS P, IRNSS P | 1992-01-01 to Present |
N: 90 S: -90 E: 180 W: -180 |
RINEX | |
| Global Navigation Satellite System (GNSS) IGS Combined Rapid Clock Solution Comparison Summary 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 |
Text format, UNIX compressed ASCII | |
| Global Navigation Satellite System (GNSS) IGS Daily Ionosphere Vertical Total Electron Content (VTEC) Comparison 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 | 1998-01-01 to Present |
N: 90 S: -90 E: 180 W: -180 |
IONEX | |
| Global Navigation Satellite System (GNSS) IGS Daily Ionosphere Vertical Total Electron Content (VTEC) Grid Fluctuation 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 | 2014-01-01 to Present |
N: 90 S: -90 E: 180 W: -180 |
IONEX | |
| 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 | |
| Global Navigation Satellite System (GNSS) IGS Decoded Orbit Solution (30-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 |
RTCM | |
| Global Navigation Satellite System (GNSS) IGS Final Analysis Center (AC) Clock Solution Product (daily files, generated weekly) 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 | |
| Global Navigation Satellite System (GNSS) IGS Final Analysis Center (AC) Earth Rotation Parameters (ERP) 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 |
IGS ERP, ASCII | |
| Global Navigation Satellite System (GNSS) IGS Final Analysis Center (AC) Orbit Product (daily files, generated weekly) 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 |
SP3c | |
| Global Navigation Satellite System (GNSS) IGS Final Analysis Center (AC) Station Positions/Velocities (no covariance matrix) product from NASA CDDIS - Cloned | 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 |
SINEX | |
| Global Navigation Satellite System (GNSS) IGS Final Analysis Center (AC) Troposphere Zenith Path Delay (ZPD) 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 | 2000-01-01 to Present |
N: 90 S: -90 E: 180 W: -180 |
SINEX | |
| Global Navigation Satellite System (GNSS) IGS Final Combined Earth Rotation Parameters (ERP) 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 |
IGS ERP | |
| Global Navigation Satellite System (GNSS) IGS Final Combined Orbit Solution Summary 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 |
clock RINEX format |
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