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Federal
Global Navigation Satellite System (GNSS) Analysis Center Final Clock Product (daily files, generated weekly) from NASA CDDIS
National Aeronautics and Space Administration —
This derived product set consists of Global Navigation Satellite System Final Satellite and Receiver Clock Product (30-second granularity, daily files, generated... -
Federal
Global Navigation Satellite System (GNSS) Final Clock Product (5 minute resolution, daily files, generated weekly) from NASA CDDIS
National Aeronautics and Space Administration —
This derived product set consists of Global Navigation Satellite System Final Satellite and Receiver Clock Product (5-minute granularity, daily files, generated... -
Federal
Global Navigation Satellite System (GNSS) Final Combined Station Positions/Velocities Product from NASA CDDIS
National Aeronautics and Space Administration —
This derived product set consists of Global Navigation Satellite System Final Combined Station Positions/Velocities Product available from the Crustal Dynamics Data... -
Federal
Ground-Based Doppler Orbitography and Radiopositioning Integrated by Satellite (DORIS) Ionospheric Product from NASA CDDIS
National Aeronautics and Space Administration —
Doppler Orbitography and Radiopositioning Integrated by Satellite (DORIS) Ionospheric Product from the NASA Crustal Dynamics Data Information System (CDDIS). DORIS is... -
Federal
Sea Surface Height, Absolute, Aviso, 0.25 degrees, Global, 1992-2012, Science Quality (1 Day Composite), Lon+/-180
National Oceanic and Atmospheric Administration, Department of Commerce —
Aviso Absolute Sea Surface Height is the Sea Surface Height Deviation plus the long term mean dynamic height. This is Science Quality data. -
Federal
Global Navigation Satellite System (GNSS) Ionosphere High-Rate Vertical Total Electron Content (VTEC) Product from NASA CDDIS
National Aeronautics and Space Administration —
This derived product set consists of Global Navigation Satellite System a high-rate Ionosphere Vertical Total Electron Content (VTEC) product (daily files) from the... -
Federal
CDDIS GNSS ITRF2020 IGS products (IGS20)
National Aeronautics and Space Administration —
These data-derived products are the International GNSS Service (IGS) Analysis Centers' (AC) contribution to the International Terrestrial Reference Frame (ITRF) 2020. -
Federal
Ground-Based Global Navigation Satellite System (GNSS) Guardian GLONASS daily antenna phase maps (meta data, 24-hour files) from NASA CDDIS
National Aeronautics and Space Administration —
This product contains file names and URLs to files containing antenna phase map data used in the real-time GLONASS POD processing. In particular, the IGS ANTEX file... -
Federal
General Archive Information from NASA CDDIS
National Aeronautics and Space Administration —
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... -
Federal
Ground-Based Global Navigation Satellite System (GNSS) Galileo Broadcast Ephemeris Data (daily files) from NASA CDDIS
National Aeronautics and Space Administration —
This dataset consists of ground-based Global Navigation Satellite System (GNSS) Galileo Broadcast Ephemeris Data (daily files) from the NASA Crustal Dynamics Data... -
Federal
Global Navigation Satellite System (GNSS) Ionosphere Vertical Total Electron Content (VTEC) Rapid Product from NASA CDDIS
National Aeronautics and Space Administration —
This derived product set consists of Global Navigation Satellite System Rapid Ionosphere Vertical Total Electron Content (VTEC) product (daily files) from the NASA... -
Federal
Global Navigation Satellite System (GNSS) Final Combined Station Positions/Velocities (no covariance matrix) Product from NASA CDDIS
National Aeronautics and Space Administration —
This derived product set consists of Global Navigation Satellite System Final Combined Station Positions/Velocities (no covariance matrix) Product available from the... -
Federal
Global Navigation Satellite System (GNSS) Final Cumulative Station Positions/Velocities Residual Product from NASA CDDIS
National Aeronautics and Space Administration —
This derived product set consists of Global Navigation Satellite System Final Combined Station Positions/Velocities Product Residuals available from the Crustal... -
Federal
Global Navigation Satellite System (GNSS) Real-Time and Rapid Orbit and Clock Comparison Summary from NASA CDDIS
National Aeronautics and Space Administration —
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... -
Federal
Land Ice: Greenland & Antarctic ice mass anomaly
National Aeronautics and Space Administration —
Data from NASA's Grace satellites show that the land ice sheets in both Antarctica and Greenland are losing mass. The continent of Antarctica (left chart) has been... -
Federal
Ground-Based Global Navigation Satellite System GLONASS (GLObal NAvigation Satellite System) Combined Broadcast Ephemeris Data (daily files) from NASA CDDIS
National Aeronautics and Space Administration —
This dataset consists of ground-based Global Navigation Satellite System (GNSS) GLONASS Combined Broadcast Ephemeris Data (daily files of all distinct navigation... -
Federal
Supporting Information for Very Long Baseline Interferometry (VLBI) Data and Products from NASA CDDIS
National Aeronautics and Space Administration —
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... -
Federal
Global Navigation Satellite System (GNSS) Decoded Real-Time Clock Solution from IGS Real-Time Product Streams from NASA CDDIS
National Aeronautics and Space Administration —
This derived product set consists of Global Navigation Satellite System satellite and receiver clock products (10-second granularity, daily files, generated daily)... -
Federal
Global Navigation Satellite System (GNSS) Ultra-Rapid Orbit/Clock/ERP Product Comparison Summary from NASA CDDIS
National Aeronautics and Space Administration —
This derived product set consists of Global Navigation Satellite System Rapid Orbit/Reference Frame Product Summary from the NASA Crustal Dynamics Data Information... -
Federal
Ground-Based Global Navigation Satellite System (GNSS) Guardian Galileo daily accumulated real-time POD Clock Corrections (1-second sampling, 24-hour files) from NASA CDDIS
National Aeronautics and Space Administration —
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...