Catalog - Data.gov

Ground-Based Global Navigation Satellite System (GNSS) GPS real-time POD Orbits (60-second sampling, 60-second files) from NASA CDDIS

Organization: National Aeronautics and Space Administration
Updated: 2025-03-31 | Harvested: August 30, 2025 at 12:10 AM

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...

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Ground-Based Global Navigation Satellite System (GNSS) Galileo real-time POD Orbits (60-second sampling, 60-second files) from NASA CDDIS

Organization: National Aeronautics and Space Administration
Updated: 2025-03-31 | Harvested: October 27, 2025 at 09:50 PM

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,...

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CYGNSS Level 3 MRG Science Data Record Near Real Time Version 3.2

Organization: National Aeronautics and Space Administration
Updated: 2025-09-11 | Harvested: October 15, 2025 at 06:16 PM

This dataset contains the version 3.2 CYGNSS Level 3 Merged (MRG) Science Data Record Near Real Time (NRT) Storm Wind Speed derived from the Delay Doppler Mapping Instrument aboard the CYGNSS...

CYGNSS Level 3 MRG Science Data Record Near Real Time Version 3.2.1

Organization: National Aeronautics and Space Administration
Updated: 2025-09-11 | Harvested: October 29, 2025 at 09:15 PM

This dataset contains the version 3.2.1 CYGNSS Level 3 Merged (MRG) Science Data Record Near Real Time (NRT) Storm Wind Speed derived from the Delay Doppler Mapping Instrument aboard the CYGNSS...

Ground-Based Global Navigation Satellite System (GNSS) Galileo real-time POD Attitude Quaternions (30-second sampling, 60-second files) from NASA CDDIS

Organization: National Aeronautics and Space Administration
Updated: 2025-03-31 | Harvested: June 28, 2025 at 11:30 AM

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...

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Ground-Based Global Navigation Satellite System (GNSS) GLONASS real-time POD Attitude Quaternions (30-second sampling, 60-second files) from NASA CDDIS

Organization: National Aeronautics and Space Administration
Updated: 2025-03-31 | Harvested: June 28, 2025 at 02:11 PM

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...

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Ground-Based Global Navigation Satellite System (GNSS) GPS real-time POD Attitude Quaternions (30-second sampling, 60-second files) from NASA CDDIS

Organization: National Aeronautics and Space Administration
Updated: 2025-04-01 | Harvested: June 28, 2025 at 10:11 AM

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...

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Ground-Based Global Navigation Satellite System (GNSS) GPS real-time POD Clock Corrections (60-second sampling, 60-second files) from NASA CDDIS

Organization: National Aeronautics and Space Administration
Updated: 2025-03-31 | Harvested: October 02, 2025 at 03:42 AM

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...

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Ground-Based Global Navigation Satellite System (GNSS) GLONASS real-time POD Clock Corrections (60-second sampling, 60-second files) from NASA CDDIS

Organization: National Aeronautics and Space Administration
Updated: 2025-03-31 | Harvested: October 15, 2025 at 06:58 PM

This product contains a 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...

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Ground-Based Global Navigation Satellite System (GNSS) Galileo real-time POD Clock Corrections (1-second sampling, 60-second files) from NASA CDDIS

Organization: National Aeronautics and Space Administration
Updated: 2025-04-01 | Harvested: October 29, 2025 at 09:49 PM

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...

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Ground-Based Global Navigation Satellite System (GNSS) Galileo real-time POD Clock Corrections (60-second sampling, 60-second files) from NASA CDDIS

Organization: National Aeronautics and Space Administration
Updated: 2025-03-31 | Harvested: October 17, 2025 at 07:13 PM

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...

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NOAA CoastWatch Near Real-time Ocean Color Sea-Viewing Wide Field-of-View Sensor (SeaWiFS) Products

Organization: National Oceanic and Atmospheric Administration, Department of Commerce
Updated: 1997-09-04T00:00:00.000+00:00 | Harvested: October 04, 2025 at 10:10 AM

NOAA CoastWatch produces near real-time ocean color products, e.g., chlorophyll-a concentration and turbidity (reflectance), with data from NASA's GeoEye's Orbview-2 satellite (via contractual...

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
Updated: 2025-09-11 | Harvested: September 14, 2025 at 03:24 AM

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...

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
Updated: 2025-09-11 | Harvested: September 25, 2025 at 01:33 AM

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...

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
Updated: 2025-09-11 | Harvested: September 14, 2025 at 03:24 AM

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,...

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
Updated: 2025-09-11 | Harvested: November 04, 2025 at 09:43 PM

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,...

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
Updated: 2025-09-11 | Harvested: September 14, 2025 at 03:23 AM

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...

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
Updated: 2025-09-11 | Harvested: September 29, 2025 at 02:15 AM

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...

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
Updated: 2025-09-11 | Harvested: October 15, 2025 at 06:11 PM

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...

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
Updated: 2025-09-11 | Harvested: September 14, 2025 at 03:23 AM

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...

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