173 datasets found
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Federal
Multi-Global Navigation Satellite System (GNSS) Broadcast Ephemeris Data (daily files) from NASA CDDIS
National Aeronautics and Space Administration —
This dataset consists of ground-based multi-GNSS (Global Navigation Satellite System) Broadcast Ephemeris Data. GNSS satellites provide autonomous geo-spatial... -
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) GPS real-time POD Clock Corrections (60-second sampling, 60-second files) from NASA CDDIS
National Aeronautics and Space Administration —
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,... -
Federal
Global Navigation Satellite System (GNSS) IGS Analysis Center (AC) Ionosphere Vertical Total Electron Content (VTEC) Product from NASA CDDIS
National Aeronautics and Space Administration —
This derived product set consists of Global Navigation Satellite System Final Ionosphere Vertical Total Electron Content (VTEC) product (daily files) from the NASA... -
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
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
Supporting Information for Doppler Orbitography and Radiopositioning Integrated by Satellite (DORIS) Data and Products from NASA CDDIS
National Aeronautics and Space Administration —
Doppler Orbitography and Radiopositioning Integrated by Satellite (DORIS) Data (multi-day files) from the NASA Crustal Dynamics Data Information System (CDDIS). DORIS... -
Federal
Ground-Based Global Navigation Satellite System (GNSS) Galileo real-time POD Attitude Quaternions (30-second sampling, 60-second files) from NASA CDDIS
National Aeronautics and Space Administration —
This product contains a time series of attitude quaternion components for healthy satellites in the Galileo constellation that are accumulated every minute throughout... -
Federal
Ground-Based Global Navigation Satellite System (GNSS) GPS real-time POD Clock Corrections (1-second sampling, 60-second files) from NASA CDDIS
National Aeronautics and Space Administration —
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... -
Federal
Very Long Baseline Interferometry (VLBI) Celestial Reference Frame (CRF) solution products from NASA CDDIS
National Aeronautics and Space Administration —
Celestial Reference Frame (CRF) product derived from analysis of Very Long Baseline Interferometry (VLBI) data. These products are the generated by analysis centers... -
Federal
Ground-Based Global Navigation Satellite System (GNSS) Data (1-second sampling, real-time streams) from NASA CDDIS
National Aeronautics and Space Administration —
Global Navigation Satellite System (GNSS) real-time 1 to multi-second sampled data available from the Crustal Dynamics Data Information System (CDDIS). Global... -
Federal
Ground-Based Satellite Laser Ranging (SLR) Observation Data (full-rate, daily, 24 hour files) from NASA CDDIS
National Aeronautics and Space Administration —
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... -
Federal
Very Long Baseline Interferometry (VLBI) Daily Intensive Solution Product (DSNI)
National Aeronautics and Space Administration —
The daily Intensive solution files in SINEX format are analysis products that are mainly designed for combination, for both within the IVS and with other space... -
Federal
Very Long Baseline Interferometry (VLBI) Daily SINEX Independent Solution product (DSNX) from NASA CDDIS
National Aeronautics and Space Administration —
The daily solution files are an analysis product that provides estimates of Earth orientation and site positions for each 24-hour session, the covariance matrix of... -
Federal
Satellite Laser Ranging products International Terrestrial Reference Frame (ITRF2020) Station Positions and Earth Orientation Parameters (EOP) Time Series (REPRO2020) from NASA CDDIS
National Aeronautics and Space Administration —
“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... -
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
Ground-Based Satellite Laser Ranging (SLR) Observation Data Summary (normal points, monthly files) from NASA CDDIS
National Aeronautics and Space Administration —
This dataset consists of ground-based Satellite Laser Ranging observation data summary (normal points, monthly files) from the NASA Crustal Dynamics Data Information... -
Federal
Ground-Based Global Navigation Satellite System (GNSS) Satellite-Based Augmentation System (SBAS) Broadcast Ephemeris Data (sub-hourly files) from NASA CDDIS
National Aeronautics and Space Administration —
This dataset consists of ground-based Global Navigation Satellite System (GNSS) Satellite-Based Augmentation System (SBAS) Broadcast Ephemeris Data (sub-hourly files)... -
Federal
Ground-Based Global Navigation Satellite System (GNSS) Quasi-Zenith Satellite System (QZSS) Broadcast Ephemeris Data (sub-hourly files) from NASA CDDIS
National Aeronautics and Space Administration —
This dataset consists of ground-based Global Navigation Satellite System (GNSS) Quasi-Zenith Satellite System (QZSS) Broadcast Ephemeris Data (sub-hourly files) from... -
Federal
Ground-Based Global Navigation Satellite System High-rate Mixed Broadcast Ephemeris Data (sub-hourly files) from NASA CDDIS
National Aeronautics and Space Administration —
This dataset consists of ground-based Global Navigation Satellite System (GNSS) Mixed Broadcast Ephemeris Data (sub-hourly files) from the NASA Crustal Dynamics Data...
173 datasets found