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The Crustal Dynamics Data Information System (CDDIS) supports the space geodesy and geodynamics community through NASA's Space Geodesy Project as well as NASA's Earth Science Enterprise. The CDDIS...
Search relevance: 1.00 | Views last month: 21 | Catalog Last Checked: August 04, 2025 at 09:47 AM -
This dataset consists of ground-based Global Navigation Satellite System (GNSS) Observation Summary Data (30-second sampling, daily files of all distinct navigation messages received in one day)...
Search relevance: 1.00 | Views last month: 9 | Catalog Last Checked: May 06, 2026 at 07:48 PM -
This product contains a time series of attitude quaternion components for healthy satellites in the GLONASS constellation that are accumulated every minute throughout the day. The product is...
Search relevance: 1.00 | Views last month: 3 | Catalog Last Checked: June 02, 2026 at 07:36 PM -
This dataset consists of supporting information for use of ground-based Global Navigation Satellite System (GNSS) data and products from the NASA Crustal Dynamics Data Information System (CDDIS)....
Search relevance: 1.00 | Views last month: 2 | Catalog Last Checked: August 04, 2025 at 11:25 AM -
Doppler Orbitography and Radiopositioning Integrated by Satellite (DORIS) Earth Orientation Parameters Time Series Product from the NASA Crustal Dynamics Data Information System (CDDIS). DORIS is...
Search relevance: 1.00 | Views last month: 2 | Catalog Last Checked: June 02, 2026 at 07:34 PM -
This product contains a time series of attitude quaternion components for healthy satellites in the GPS constellation that are accumulated every minute throughout the day. The product is generated...
Search relevance: 1.00 | Views last month: 2 | Catalog Last Checked: May 26, 2026 at 07:15 PM -
This product contains a time series of clock biases for healthy satellites in the GPS constellation that are accumulated every minute throughout the day. In addition, formal 1-sigma uncertainties...
Search relevance: 1.00 | Views last month: 1 | Catalog Last Checked: August 04, 2025 at 02:08 PM -
This product contains a time series of position and velocity components for healthy satellites in the GPS constellation that are accumulated every minute throughout the day. In addition, formal...
Search relevance: 1.00 | Views last month: 1 | Catalog Last Checked: August 04, 2025 at 01:18 PM -
This data set contains free air anomaly measurements taken over Antarctica using the BGM-3 Gravimeter. The data were collected by scientists working on the Investigating the Cryospheric Evolution...
Search relevance: 1.00 | Views last month: 1 | Catalog Last Checked: August 04, 2025 at 12:04 PM -
This data set contains gravity measurements, including acceleration data in three orthogonal directions, from the Sander Geophysics AIRGrav airborne gravity system. Gravity data include latitude...
Search relevance: 1.00 | Views last month: 1 | Catalog Last Checked: February 21, 2026 at 08:25 PM -
This product contains a time series of position and velocity components for healthy satellites in the Galileo constellation that are accumulated every minute throughout the day. In addition,...
Search relevance: 1.00 | Views last month: 1 | Catalog Last Checked: April 04, 2026 at 09:03 PM -
This data set contains geolocated free air gravity disturbances derived from measurements taken over Antarctica using the GT-1A gravity meter S-019. The data were collected by scientists working...
Search relevance: 1.00 | Views last month: 1 | Catalog Last Checked: February 14, 2026 at 08:25 PM -
This product contains a high-rate time series of clock biases for healthy satellites in the GPS constellation that are accumulated every minute throughout the day. In addition, formal 1-sigma...
Search relevance: 1.00 | Views last month: 1 | Catalog Last Checked: August 04, 2025 at 12:05 PM -
GNSS provide autonomous geo-spatial positioning with global coverage. GNSS data sets from ground receivers at the CDDIS consist primarily of the data from the U.S. Global Positioning System (GPS)...
Search relevance: 1.00 | Views last month: 0 | Catalog Last Checked: August 04, 2025 at 11:57 AM -
This product contains a time series of clock biases for healthy satellites in the Galileo constellation that are accumulated every minute throughout the day. In addition, formal 1-sigma...
Search relevance: 1.00 | Views last month: 0 | Catalog Last Checked: August 04, 2025 at 10:50 AM -
This data set contains Greenland and Antarctica gravity measurements taken from the Sander Geophysics AIRGrav airborne gravity system.
Search relevance: 1.00 | Views last month: 0 | Catalog Last Checked: February 21, 2026 at 08:25 PM -
This data set contains gravity measurements taken over Greenland and Antarctica by the Lamont-Doherty Earth Observatory (LDEO) Gravimeter Suite. The data were collected as part of Operation...
Search relevance: 1.00 | Views last month: 0 | Catalog Last Checked: August 04, 2025 at 12:35 PM -
Doppler Orbitography and Radiopositioning Integrated by Satellite (DORIS) Ionospheric Product from the NASA Crustal Dynamics Data Information System (CDDIS). DORIS is a dual-frequency Doppler...
Search relevance: 1.00 | Views last month: 0 | Catalog Last Checked: August 04, 2025 at 12:02 AM -
This product contains a time series of clock biases for healthy satellites in the GLONASS constellation that are accumulated every minute throughout the day. In addition, formal 1-sigma...
Search relevance: 1.00 | Views last month: 0 | Catalog Last Checked: August 04, 2025 at 11:47 AM -
Global Navigation Satellite System (GNSS) real-time 1 to multi-second sampled data available from the Crustal Dynamics Data Information System (CDDIS). Global Navigation Satellite System (GNSS)...
Search relevance: 1.00 | Views last month: 0 | Catalog Last Checked: August 04, 2025 at 12:53 AM
