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#1 Federal

Ground-Based Global Navigation Satellite System (GNSS)-based Upper Atmospheric Realtime Disaster Information and Alert Network (GUARDIAN) GPS daily antenna phase centers (24-hour files) from NASA CDDIS

Organization: National Aeronautics and Space Administration
Dataset Last Updated: February 10, 2026

This product ontains antenna phase center locations relative to the GPS satellite's center of mass. The product is generated at JPL's Global Differential GPS Operations Centers.

Search relevance: 1.00 | Views last month: 0 | Catalog Last Checked: February 14, 2026 at 07:45 PM

#2 Federal

Ground-Based GNSS-based Upper Atmospheric Realtime Disaster Information and Alert Network (GUARDIAN) GPS daily accumulated real-time Precise Orbit Determination (POD) Clock Corrections (60-second sampling, 24-hour files) from NASA CDDIS

Organization: National Aeronautics and Space Administration
Dataset Last Updated: February 10, 2026

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, formal 1-sigma uncertainties...

Search relevance: 1.00 | Views last month: 0 | Catalog Last Checked: February 14, 2026 at 07:45 PM

#3 Federal

Ground-Based GNSS-based Upper Atmospheric Realtime Disaster Information and Alert Network (GUARDIAN) GPS daily accumulated real-time Precise Orbit Determination (POD) Clock Corrections (1-second sampling, 24-hour files) from NASA CDDIS

Organization: National Aeronautics and Space Administration
Dataset Last Updated: February 10, 2026

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 addition, formal 1-sigma...

Search relevance: 1.00 | Views last month: 0 | Catalog Last Checked: February 14, 2026 at 07:45 PM

#4 Federal

Ground-Based Global Navigation Satellite System (GNSS)-based Upper Atmospheric Realtime Disaster Information and Alert Network (GUARDIAN) GLONASS daily antenna phase maps (meta data, 24-hour files) from NASA CDDIS

Organization: National Aeronautics and Space Administration
Dataset Last Updated: February 10, 2026

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 name used for the processing is...

Search relevance: 1.00 | Views last month: 0 | Catalog Last Checked: February 14, 2026 at 07:45 PM

#5 Federal

Ground-Based GNSS-based Upper Atmospheric Realtime Disaster Information and Alert Network (GUARDIAN) GLONASS daily accumulated real-time Precise Orbit Determination (POD) Clock Corrections (1-second sampling, 24-hour files) from NASA CDDIS

Organization: National Aeronautics and Space Administration
Dataset Last Updated: February 10, 2026

This product contains a high-rate time series of clock biases for healthy satellites in the GLONASS constellation that are accumulated every minute throughout the day. In addition, formal 1-sigma...

Search relevance: 1.00 | Views last month: 0 | Catalog Last Checked: February 14, 2026 at 07:45 PM

#6 Federal

Ground-Based Global Navigation Satellite System (GNSS)-based Upper Atmospheric Realtime Disaster Information and Alert Network (GUARDIAN) GLONASS Earth Orientation Parameters (1-day sampling, 7-day files) from NASA CDDIS

Organization: National Aeronautics and Space Administration
Dataset Last Updated: February 10, 2026

This product contains a time series of Earth orientation parameters from the IERS Bulletin A for the GLONASS constellation of satellites. The product is generated at JPL's Global Differential GPS...

Search relevance: 1.00 | Views last month: 0 | Catalog Last Checked: February 14, 2026 at 07:45 PM

#7 Federal

Ground-Based GNSS-based Upper Atmospheric Realtime Disaster Information and Alert Network (GUARDIAN) GLONASS daily accumulated real-time Precise Orbit Determination (POD) Attitude Quaternions (30-second sampling, 24-hour files) from NASA CDDIS

Organization: National Aeronautics and Space Administration
Dataset Last Updated: February 10, 2026

This product contains a time series of attitude quaternion components for healthy satellites in the GLONASS constellation that are accumulated every minute throughout the day. The product is...

Search relevance: 1.00 | Views last month: 0 | Catalog Last Checked: February 14, 2026 at 07:45 PM

#8 Federal

Ground-Based GNSS-based Upper Atmospheric Realtime Disaster Information and Alert Network (GUARDIAN) Galileo daily accumulated real-time Precise Orbit Determination (POD) Attitude Quaternions (30-second sampling, 24-hour files) from NASA CDDIS

Organization: National Aeronautics and Space Administration
Dataset Last Updated: February 10, 2026

This product contains a time series of attitude quaternion components for healthy satellites in the Galileo constellation that are accumulated every minute throughout the day. The product is...

Search relevance: 1.00 | Views last month: 0 | Catalog Last Checked: February 14, 2026 at 07:45 PM

#9 Federal

Ground-Based Global Navigation Satellite System (GNSS)-based Upper Atmospheric Realtime Disaster Information and Alert Network (GUARDIAN) GLONASS daily antenna phase centers (24-hour files) from NASA CDDIS

Organization: National Aeronautics and Space Administration
Dataset Last Updated: February 10, 2026

This product contains antenna phase center locations relative to the GLONASS satellite's center of mass. The product is generated at JPL's Global Differential GPS Operations Centers.

Search relevance: 1.00 | Views last month: 0 | Catalog Last Checked: February 14, 2026 at 07:45 PM

#10 Federal

Ground-Based Global Navigation Satellite System (GNSS)-based Upper Atmospheric Realtime Disaster Information and Alert Network (GUARDIAN) GPS Earth Orientation Parameters (1-day sampling, 7-day files) from NASA CDDIS

Organization: National Aeronautics and Space Administration
Dataset Last Updated: February 10, 2026

This product contains a time series of Earth orientation parameters from the IERS Bulletin A for the GPS constellation of satellites. The product is generated at JPL's Global Differential GPS...

Search relevance: 1.00 | Views last month: 0 | Catalog Last Checked: February 14, 2026 at 07:45 PM

#11 Federal

Ground-Based Global Navigation Satellite System (GNSS)-based Upper Atmospheric Realtime Disaster Information and Alert Network (GUARDIAN) Galileo Earth Orientation Parameters (1-day sampling, 7-day files) from NASA CDDIS

Organization: National Aeronautics and Space Administration
Dataset Last Updated: February 10, 2026

This product contains a time series of Earth orientation parameters from the IERS Bulletin A for the Galileo constellation of satellites. The product is generated at JPL's Global Differential GPS...

Search relevance: 1.00 | Views last month: 0 | Catalog Last Checked: February 14, 2026 at 07:45 PM

#12 Federal

Ground-Based GNSS-based Upper Atmospheric Realtime Disaster Information and Alert Network (GUARDIAN) Galileo daily accumulated real-time Precise Orbit Determination (POD) Clock Corrections (60-second sampling, 24-hour files) from NASA CDDIS

Organization: National Aeronautics and Space Administration
Dataset Last Updated: February 10, 2026

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 addition, formal 1-sigma...

Search relevance: 1.00 | Views last month: 0 | Catalog Last Checked: February 14, 2026 at 07:45 PM

#13 Federal

Ground-Based GNSS-based Upper Atmospheric Realtime Disaster Information and Alert Network (GUARDIAN) GPS daily accumulated real-time Precise Orbit Determination (POD) orbits (60-second sampling, 24-hour files) from NASA CDDIS

Organization: National Aeronautics and Space Administration
Dataset Last Updated: February 10, 2026

This product contains a time series of position and velocity components for healthy satellites in the GPS constellation that are accumulated every minute throughout the day. In addition, formal...

Search relevance: 1.00 | Views last month: 0 | Catalog Last Checked: February 14, 2026 at 07:45 PM

#14 Federal

Ground-Based GNSS-based Upper Atmospheric Realtime Disaster Information and Alert Network (GUARDIAN) GLONASS daily accumulated real-time Precise Orbit Determination (POD) Clock Corrections (60-second sampling, 24-hour files) from NASA CDDIS

Organization: National Aeronautics and Space Administration
Dataset Last Updated: February 10, 2026

This product contains a high-rate time series of clock biases for healthy satellites in the GLONASS constellation that are accumulated every minute throughout the day. In addition, formal 1-sigma...

Search relevance: 1.00 | Views last month: 0 | Catalog Last Checked: February 14, 2026 at 07:45 PM

#15 Federal

Ground-Based GNSS-based Upper Atmospheric Realtime Disaster Information and Alert Network (GUARDIAN) Galileo daily accumulated real-time Precise Orbit Determination (POD) orbits (60-second sampling, 24-hour files) from NASA CDDIS

Organization: National Aeronautics and Space Administration
Dataset Last Updated: February 10, 2026

This product contains a time series of position and velocity components for healthy satellites in the Galileo constellation that are accumulated every minute throughout the day. In addition,...

Search relevance: 1.00 | Views last month: 0 | Catalog Last Checked: February 14, 2026 at 07:45 PM

#16 Federal

Ground-Based Global Navigation Satellite System (GNSS)-based Upper Atmospheric Realtime Disaster Information and Alert Network (GUARDIAN) Near Real-Time Ionospheric Total Electron Count (5-second sampling, 24-hour files) from NASA CDDIS

Organization: National Aeronautics and Space Administration
Dataset Last Updated: February 10, 2026

Developed at JPL, GUARDIAN is a near-real-time (NRT) ionospheric monitoring software (Martire et al.). Its main products are NRT total electronic content (TEC) time series, allowing users to...

Search relevance: 1.00 | Views last month: 0 | Catalog Last Checked: February 14, 2026 at 07:45 PM

#17 Federal

Ground-Based Global Navigation Satellite System (GNSS)-based Upper Atmospheric Realtime Disaster Information and Alert Network (GUARDIAN) GPS daily antenna phase maps (meta data, 24-hour files) from NASA CDDIS

Organization: National Aeronautics and Space Administration
Dataset Last Updated: February 10, 2026

This product contains file names and URLs to files containing antenna phase map data used in the real-time GPS POD processing. In particular, the IGS ANTEX file name used for the processing is...

Search relevance: 1.00 | Views last month: 0 | Catalog Last Checked: February 14, 2026 at 07:45 PM

#18 Federal

Ground-Based GNSS-based Upper Atmospheric Realtime Disaster Information and Alert Network (GUARDIAN) GLONASS daily accumulated real-time Precise Orbit Determination (POD) orbits (60-second sampling, 24-hour files) from NASA CDDIS

Organization: National Aeronautics and Space Administration
Dataset Last Updated: February 10, 2026

This product contains a time series of position and velocity components for healthy satellites in the GLONASS constellation that are accumulated every minute throughout the day. In addition,...

Search relevance: 1.00 | Views last month: 0 | Catalog Last Checked: February 14, 2026 at 07:45 PM

#19 Federal

Ground-Based GNSS-based Upper Atmospheric Realtime Disaster Information and Alert Network (GUARDIAN) GPS daily accumulated real-time Precise Orbit Determination (POD) Attitude Quaternions (30-second sampling, 24-hour files) from NASA CDDIS

Organization: National Aeronautics and Space Administration
Dataset Last Updated: February 10, 2026

This product contains a time series of attitude quaternion components for healthy satellites in the GPS constellation that are accumulated every minute throughout the day. The product is generated...

Search relevance: 1.00 | Views last month: 0 | Catalog Last Checked: February 14, 2026 at 07:45 PM

#20 Federal

Ground-Based Global Navigation Satellite System (GNSS)-based Upper Atmospheric Realtime Disaster Information and Alert Network (GUARDIAN) Galileo daily antenna phase maps (meta data, 24-hour files) from NASA CDDIS

Organization: National Aeronautics and Space Administration
Dataset Last Updated: February 10, 2026

This product contains file names and URLs to files containing antenna phase map data used in the real-time Galileo POD processing. In particular, the IGS ANTEX file name used for the processing is...

Search relevance: 1.00 | Views last month: 0 | Catalog Last Checked: February 14, 2026 at 07:45 PM

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Ground-Based Global Navigation Satellite System (GNSS)-based Upper Atmospheric Realtime Disaster Information and Alert Network (GUARDIAN) GPS daily antenna phase centers (24-hour files) from NASA CDDIS

Ground-Based GNSS-based Upper Atmospheric Realtime Disaster Information and Alert Network (GUARDIAN) GPS daily accumulated real-time Precise Orbit Determination (POD) Clock Corrections (60-second sampling, 24-hour files) from NASA CDDIS

Ground-Based GNSS-based Upper Atmospheric Realtime Disaster Information and Alert Network (GUARDIAN) GPS daily accumulated real-time Precise Orbit Determination (POD) Clock Corrections (1-second sampling, 24-hour files) from NASA CDDIS

Ground-Based Global Navigation Satellite System (GNSS)-based Upper Atmospheric Realtime Disaster Information and Alert Network (GUARDIAN) GLONASS daily antenna phase maps (meta data, 24-hour files) from NASA CDDIS

Ground-Based GNSS-based Upper Atmospheric Realtime Disaster Information and Alert Network (GUARDIAN) GLONASS daily accumulated real-time Precise Orbit Determination (POD) Clock Corrections (1-second sampling, 24-hour files) from NASA CDDIS

Ground-Based Global Navigation Satellite System (GNSS)-based Upper Atmospheric Realtime Disaster Information and Alert Network (GUARDIAN) GLONASS Earth Orientation Parameters (1-day sampling, 7-day files) from NASA CDDIS

Ground-Based GNSS-based Upper Atmospheric Realtime Disaster Information and Alert Network (GUARDIAN) GLONASS daily accumulated real-time Precise Orbit Determination (POD) Attitude Quaternions (30-second sampling, 24-hour files) from NASA CDDIS

Ground-Based GNSS-based Upper Atmospheric Realtime Disaster Information and Alert Network (GUARDIAN) Galileo daily accumulated real-time Precise Orbit Determination (POD) Attitude Quaternions (30-second sampling, 24-hour files) from NASA CDDIS

Ground-Based Global Navigation Satellite System (GNSS)-based Upper Atmospheric Realtime Disaster Information and Alert Network (GUARDIAN) GLONASS daily antenna phase centers (24-hour files) from NASA CDDIS

Ground-Based Global Navigation Satellite System (GNSS)-based Upper Atmospheric Realtime Disaster Information and Alert Network (GUARDIAN) GPS Earth Orientation Parameters (1-day sampling, 7-day files) from NASA CDDIS

Ground-Based Global Navigation Satellite System (GNSS)-based Upper Atmospheric Realtime Disaster Information and Alert Network (GUARDIAN) Galileo Earth Orientation Parameters (1-day sampling, 7-day files) from NASA CDDIS

Ground-Based GNSS-based Upper Atmospheric Realtime Disaster Information and Alert Network (GUARDIAN) Galileo daily accumulated real-time Precise Orbit Determination (POD) Clock Corrections (60-second sampling, 24-hour files) from NASA CDDIS

Ground-Based GNSS-based Upper Atmospheric Realtime Disaster Information and Alert Network (GUARDIAN) GPS daily accumulated real-time Precise Orbit Determination (POD) orbits (60-second sampling, 24-hour files) from NASA CDDIS

Ground-Based GNSS-based Upper Atmospheric Realtime Disaster Information and Alert Network (GUARDIAN) GLONASS daily accumulated real-time Precise Orbit Determination (POD) Clock Corrections (60-second sampling, 24-hour files) from NASA CDDIS

Ground-Based GNSS-based Upper Atmospheric Realtime Disaster Information and Alert Network (GUARDIAN) Galileo daily accumulated real-time Precise Orbit Determination (POD) orbits (60-second sampling, 24-hour files) from NASA CDDIS

Ground-Based Global Navigation Satellite System (GNSS)-based Upper Atmospheric Realtime Disaster Information and Alert Network (GUARDIAN) Near Real-Time Ionospheric Total Electron Count (5-second sampling, 24-hour files) from NASA CDDIS

Ground-Based Global Navigation Satellite System (GNSS)-based Upper Atmospheric Realtime Disaster Information and Alert Network (GUARDIAN) GPS daily antenna phase maps (meta data, 24-hour files) from NASA CDDIS

Ground-Based GNSS-based Upper Atmospheric Realtime Disaster Information and Alert Network (GUARDIAN) GLONASS daily accumulated real-time Precise Orbit Determination (POD) orbits (60-second sampling, 24-hour files) from NASA CDDIS

Ground-Based GNSS-based Upper Atmospheric Realtime Disaster Information and Alert Network (GUARDIAN) GPS daily accumulated real-time Precise Orbit Determination (POD) Attitude Quaternions (30-second sampling, 24-hour files) from NASA CDDIS

Ground-Based Global Navigation Satellite System (GNSS)-based Upper Atmospheric Realtime Disaster Information and Alert Network (GUARDIAN) Galileo daily antenna phase maps (meta data, 24-hour files) from NASA CDDIS