Search datasets
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This dataset consists of ground-based multi-GNSS (Global Navigation Satellite System) Broadcast Ephemeris Data. GNSS satellites provide autonomous geo-spatial positioning with global coverage....
Search relevance: 1.00 | Views last month: 68 | Catalog Last Checked: November 11, 2026 at 12:06 AM -
The IERS Rapid Service/Prediction Center is the product center of the International Earth Rotation and Reference Systems Service responsible for providing Earth orientation parameters (EOPs) on a...
Search relevance: 1.00 | Views last month: 41 | Catalog Last Checked: November 11, 2026 at 12:33 AM -
This derived product set consists of a summary comparing the International GNSS Service (IGS) Real-Time Service (RTS) orbit and clock products from all analysis center and combination streams with...
Search relevance: 1.00 | Views last month: 33 | Catalog Last Checked: November 11, 2026 at 12:35 AM -
This dataset consists of differential code biases (DCBs) from a network of ground-based Global Navigation Satellite System (GNSS) station and available from the NASA Crustal Dynamics Data...
Search relevance: 1.00 | Views last month: 31 | Catalog Last Checked: November 11, 2026 at 12:33 AM -
This dataset consists of ground-based Satellite Laser Ranging observation data (normal points, monthly files) from the NASA Crustal Dynamics Data Information System (CDDIS). SLR provides...
Search relevance: 1.00 | Views last month: 30 | Catalog Last Checked: November 11, 2026 at 12:35 AM -
Very Long Baseline Interferometry (VLBI) is a geometric technique: it measures the time difference between the arrival at two Earth-based antennas of a radio wavefront emitted by a distant quasar....
Search relevance: 1.00 | Views last month: 26 | Catalog Last Checked: November 11, 2026 at 12:33 AM -
This derived product set consists of Global Navigation Satellite System Ultra-Rapid Orbit Product (daily files, generated daily) from the NASA Crustal Dynamics Data Information System (CDDIS)....
Search relevance: 1.00 | Views last month: 26 | Catalog Last Checked: November 11, 2026 at 12:35 AM -
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: 25 | Catalog Last Checked: November 11, 2026 at 12:33 AM -
This derived product set consists of Global Navigation Satellite System Final Orbit Product (daily files, generated weekly) from the NASA Crustal Dynamics Data Information System (CDDIS). GNSS...
Search relevance: 1.00 | Views last month: 24 | Catalog Last Checked: November 11, 2026 at 12:36 AM -
This dataset consists of ground-based Global Navigation Satellite System (GNSS) GPS Broadcast Ephemeris Data (hourly files) from the NASA Crustal Dynamics Data Information System (CDDIS). GNSS...
Search relevance: 1.00 | Views last month: 24 | Catalog Last Checked: November 11, 2026 at 12:36 AM -
This derived product set consists of Global Navigation Satellite System satellite and receiver clock combination product (30-second granularity, daily files, generated daily) from the real-time...
Search relevance: 1.00 | Views last month: 23 | Catalog Last Checked: November 11, 2026 at 12:35 AM -
“The ILRS contribution to ITRF2020 consists of a pair of time series of weekly and bi-weekly station position estimates along with daily and 3-day averaged Earth Orientation Parameters (X-pole,...
Search relevance: 1.00 | Views last month: 21 | Catalog Last Checked: November 11, 2026 at 12:24 AM -
This derived product set consists of Global Navigation Satellite System Rapid Ionosphere Vertical Total Electron Content (VTEC) product (daily files) from the NASA Crustal Dynamics Data...
Search relevance: 1.00 | Views last month: 21 | Catalog Last Checked: November 11, 2026 at 12:34 AM -
This derived product set consists of Global Navigation Satellite System Final Combined Station Positions/Velocities Product available from the Crustal Dynamics Data Information System (CDDIS)....
Search relevance: 1.00 | Views last month: 16 | Catalog Last Checked: November 11, 2026 at 12:34 AM -
This derived product set consists of Global Navigation Satellite System Final Satellite and Receiver Clock Product (30-second granularity, daily files, generated weekly) from the NASA Crustal...
Search relevance: 1.00 | Views last month: 16 | Catalog Last Checked: November 11, 2026 at 12:36 AM -
This dataset consists of ground-based Global Navigation Satellite System (GNSS) Observation Data (30-second sampling, daily 24 hour files) from the NASA Crustal Dynamics Data Information System...
Search relevance: 1.00 | Views last month: 16 | Catalog Last Checked: November 11, 2026 at 12:36 AM -
Global Navigation Satellite System (GNSS) data consists of the U.S. Global Positioning System (GPS) and the Russian GLObal NAvigation Satellite System (GLONASS) (plus other international systems)...
Search relevance: 1.00 | Views last month: 15 | Catalog Last Checked: November 11, 2026 at 12:41 AM -
This dataset consists of ground-based Global Navigation Satellite System (GNSS) Beidou Broadcast Ephemeris Data (daily files) from the NASA Crustal Dynamics Data Information System (CDDIS). GNSS...
Search relevance: 1.00 | Views last month: 14 | Catalog Last Checked: November 11, 2026 at 12:36 AM -
This derived product set consists of Global Navigation Satellite System Final Ionosphere Vertical Total Electron Content (VTEC) product (daily files) from the NASA Crustal Dynamics Data...
Search relevance: 1.00 | Views last month: 14 | Catalog Last Checked: November 11, 2026 at 12:34 AM -
This dataset consists of ground-based Satellite Laser Ranging observation data (full-rate, daily 24 hour files) from the NASA Crustal Dynamics Data Information System (CDDIS). SLR provides...
Search relevance: 1.00 | Views last month: 14 | Catalog Last Checked: November 11, 2026 at 12:35 AM
