241 datasets found
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Federal
Lunar Laser Ranging (LLR) data from NASA CDDIS
National Aeronautics and Space Administration —
Lunar Laser Ranging (LLR) measures the distance between the Earth and the Moon using laser ranging. A short pulse of coherent light generated by a laser (Light... -
Federal
Combined GPS Broadcast Ephemeris Data (30-second sampling, hourly files) from NASA CDDIS
National Aeronautics and Space Administration —
This dataset consists of ground-based Global Navigation Satellite System (GNSS) Combined Broadcast Ephemeris Data (hourly files of all distinct navigation messages... -
Federal
Global Navigation Satellite System (GNSS) Satellite Data from NASA CDDIS
National Aeronautics and Space Administration —
Global Navigation Satellite System (GNSS) data consists of the U.S. Global Positioning System (GPS) and the Russian GLObal NAvigation Satellite System (GLONASS) (plus... -
Federal
Ground-Based Satellite Laser Ranging (SLR) Observation Data (normal points, hourly files) from NASA CDDIS
National Aeronautics and Space Administration —
This dataset consists of ground-based Satellite Laser Ranging observation data (normal points, hourly files) from the NASA Crustal Dynamics Data Information System... -
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 Data (30-second sampling, 24 hour files) from NASA CDDIS
National Aeronautics and Space Administration —
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.... -
Federal
Satellite Laser Ranging (SLR) International Laser Ranging Service (ILRS) Data Handling Files
National Aeronautics and Space Administration —
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... -
Federal
Global Navigation Satellite System (GNSS) IGS Weekly Ionosphere Vertical Total Electron Content (VTEC) Grid Validation Product from NASA CDDIS
National Aeronautics and Space Administration —
This derived product set consists of Global Navigation Satellite System Ionosphere Vertical Total Electron Content (VTEC) comparison product (daily files) from the... -
Federal
Satellite Laser Ranging (SLR) Data Handling File for the International Laser Ranging Service (ILRS) extension of the International Terrestrial Reference Frame 2020 (ITRF2020) TRF Model with additional SLR sites
National Aeronautics and Space Administration —
Corrections to SLR tracking data collected from various tables on CDDIS, resolutions from the ILRS/ASC (AWG) meetings, the T2L2 @ Jason-2 project (July 2008 to... -
Federal
Global Navigation Satellite System (GNSS) IGS Multi-GNSS Experiment (MGEX) Products from NASA CDDIS
National Aeronautics and Space Administration —
This derived product set consists of Global Navigation Satellite System satellite orbit products (daily files, generated daily) from the real-time IGS analysis center... -
Federal
Global Navigation Satellite System (GNSS) IGS Ultra-Rapid Orbit Solution Comparison Summary Product 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
Global Navigation Satellite System (GNSS) IGS Summary of Orbit and Clock Comparisons of Analysis Center (AC) and Combination Real-Time Solutions with IGS Rapid Solutions 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
Global Navigation Satellite System (GNSS) IGS Final Cumulative Combined Set of Station Coordinates Product from NASA CDDIS
National Aeronautics and Space Administration —
This derived product set consists of Global Navigation Satellite System Final Cumulative Station Positions/Velocities (no covariance matrix) Product available from... -
Federal
Ground-Based Doppler Orbitography by Radiopositioning Integrated on Satellite (DORIS) Satellite Orbit Product from NASA CDDIS
National Aeronautics and Space Administration —
Doppler Orbitography by Radiopositioning Integrated on Satellite (DORIS) Satellite Orbit Product from the NASA Crustal Dynamics Data Information System (CDDIS). DORIS... -
Federal
Ground-Based Global Navigation Satellite System (GNSS) Observation Data (30-second sampling, daily, 24 hour files) from NASA CDDIS
National Aeronautics and Space Administration —
This dataset consists of ground-based Global Navigation Satellite System (GNSS) Observation Data (30-second sampling, daily 24 hour files) from the NASA Crustal... -
Federal
Ground-Based Global Navigation Satellite System (GNSS) Beidou Broadcast Ephemeris Data (daily files) from NASA CDDIS
National Aeronautics and Space Administration —
This dataset consists of ground-based Global Navigation Satellite System (GNSS) Beidou Broadcast Ephemeris Data (daily files) from the NASA Crustal Dynamics Data... -
Federal
Global Navigation Satellite System (GNSS) IGS Decoded Clock Solution (10-second) 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
Ground-Based Satellite Laser Ranging (SLR) Observation Data (normal points, monthly files) from NASA CDDIS
National Aeronautics and Space Administration —
This dataset consists of ground-based Satellite Laser Ranging observation data (normal points, monthly files) from the NASA Crustal Dynamics Data Information System... -
Federal
Ground-Based Global Navigation Satellite System (GNSS) GLONASS (GLObal NAvigation Satellite System) Observation Data (30-second sampling, daily files) from NASA CDDIS
National Aeronautics and Space Administration —
This dataset consists of ground-based Global Navigation Satellite System GLONASS Observation Data (30-second sampling, daily files) from the NASA Crustal Dynamics... -
Federal
Global Navigation Satellite System (GNSS) IGS Real-Time Combination Solution Summary of Real-Time Analysis Center (AC) Submissions from NASA CDDIS
National Aeronautics and Space Administration —
This derived product set consists of Global Navigation Satellite System satellite and receiver clock combination product (30-second granularity, daily files,...
241 datasets found