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These data-derived products are the International GNSS Service (IGS) Analysis Centers' (AC) contribution to the International Terrestrial Reference Frame (ITRF) 2020.
Search relevance: 1.00 | Views last month: 30 | Catalog Last Checked: October 20, 2026 at 11:55 PM -
This derived product set consists of Global Navigation Satellite System satellite orbit products (daily files, generated daily) from the real-time IGS analysis center submissions available from...
Search relevance: 1.00 | Views last month: 13 | Catalog Last Checked: October 21, 2026 at 12:13 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: 10 | Catalog Last Checked: October 21, 2026 at 12:22 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: 8 | Catalog Last Checked: October 21, 2026 at 12:12 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: 7 | Catalog Last Checked: October 20, 2026 at 11:55 PM -
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: 6 | Catalog Last Checked: October 21, 2026 at 12:14 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: 6 | Catalog Last Checked: October 21, 2026 at 12:13 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: 6 | Catalog Last Checked: October 21, 2026 at 12:12 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: 6 | Catalog Last Checked: October 21, 2026 at 12:14 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: 5 | Catalog Last Checked: October 21, 2026 at 12:14 AM -
This derived product set consists of Global Navigation Satellite System Final Cumulative Station Positions/Velocities (no covariance matrix) Product available from the Crustal Dynamics Data...
Search relevance: 1.00 | Views last month: 5 | Catalog Last Checked: October 21, 2026 at 12:13 AM -
This derived product set consists of Global Navigation Satellite System Rapid Orbit/Reference Frame Product Summary from the NASA Crustal Dynamics Data Information System (CDDIS). GNSS provide...
Search relevance: 1.00 | Views last month: 5 | Catalog Last Checked: October 21, 2026 at 12:14 AM -
This derived product set consists of Global Navigation Satellite System Final Satellite and Receiver Clock Product (5-minute granularity, daily files, generated weekly) from the NASA Crustal...
Search relevance: 1.00 | Views last month: 5 | Catalog Last Checked: October 21, 2026 at 12:14 AM -
This derived product set consists of Global Navigation Satellite System Rapid Earth Rotation Product (ERP) from the NASA Crustal Dynamics Data Information System (CDDIS). GNSS provide autonomous...
Search relevance: 1.00 | Views last month: 4 | Catalog Last Checked: October 21, 2026 at 12:14 AM -
Weekly station positions and velocity solutions in Software INdependent EXchange (SINEX) format derived from analysis of Global Navigation Satellite System (GNSS) data. These products are the...
Search relevance: 1.00 | Views last month: 4 | Catalog Last Checked: October 21, 2026 at 12:22 AM -
In the ILRS network, there are mobile systems and permanent systems. Mobile ILRS systems usually occupy (i.e. are referenced to) a ground monument/mark and have an associated set of non-zero...
Search relevance: 1.00 | Views last month: 4 | Catalog Last Checked: October 21, 2026 at 01:04 AM -
This derived product set consists of Global Navigation Satellite System Predicted Ionosphere Vertical Total Electron Content (VTEC) product (daily files) from the NASA Crustal Dynamics Data...
Search relevance: 1.00 | Views last month: 4 | Catalog Last Checked: October 21, 2026 at 12:13 AM -
This derived product set consists of Global Navigation Satellite System Rapid Orbit/Reference Frame Product Summary from the NASA Crustal Dynamics Data Information System (CDDIS). GNSS provide...
Search relevance: 1.00 | Views last month: 4 | Catalog Last Checked: October 21, 2026 at 12:14 AM -
This derived product set consists of Global Navigation Satellite System satellite and receiver clock products (10-second granularity, daily files, generated daily) from the real-time IGS analysis...
Search relevance: 1.00 | Views last month: 4 | Catalog Last Checked: October 21, 2026 at 12:13 AM -
Doppler Orbitography and Radiopositioning Integrated by Satellite (DORIS) Data Cycle from NASA CDDIS
Doppler Orbitography and Radiopositioning Integrated by Satellite (DORIS) was developed by the Centre National d'Etudes Spatiales (CNES) with cooperation from other French government agencies. The...
Search relevance: 1.00 | Views last month: 4 | Catalog Last Checked: October 21, 2026 at 12:23 AM
