Catalog - Data.gov

Found 178 datasets matching "Precise Time".

Federal
CDDIS_GNSS_products_orbit_realtime
- Organization: National Aeronautics and Space Administration
- Updated: 2025-03-31
Precise satellite orbits derived from analysis of Global Navigation Satellite System (GNSS) data. Analysis Centers (ACs) of the International GNSS Service (IGS) retrieve GNSS data on regular...
- html
Search relevance: 46.28 | Views last month: 0
Federal
CDDIS_GNSS_products_orbit_ultrarapid
- Organization: National Aeronautics and Space Administration
- Updated: 2025-03-31
Precise satellite orbits derived from analysis of Global Navigation Satellite System (GNSS) data. Analysis Centers (ACs) of the International GNSS Service (IGS) retrieve GNSS data on regular...
- html
Search relevance: 44.70 | Views last month: 0
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
- Updated: 2026-02-10
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,...
- none
- html
- none
Search relevance: 42.14 | Views last month: 0
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
- Updated: 2026-02-10
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,...
- none
- html
- none
Search relevance: 41.28 | Views last month: 0
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
- Updated: 2026-02-10
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...
- none
- html
- none
Search relevance: 41.27 | Views last month: 0
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
- Updated: 2026-02-10
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...
- none
- html
- none
Search relevance: 41.27 | Views last month: 0
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
- Updated: 2026-02-10
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...
- none
- html
- none
Search relevance: 40.72 | Views last month: 0
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
- Updated: 2026-02-10
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...
- none
- html
- none
Search relevance: 40.43 | Views last month: 0
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
- Updated: 2026-02-10
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...
- none
- html
- none
Search relevance: 40.43 | Views last month: 0
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
- Updated: 2026-02-10
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...
- none
- html
- none
Search relevance: 40.43 | Views last month: 0
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 (1-second sampling, 24-hour files) from NASA CDDIS
- Organization: National Aeronautics and Space Administration
- Updated: 2026-02-10
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...
- none
- html
- none
Search relevance: 39.88 | Views last month: 0
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
- Updated: 2026-02-10
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...
- none
- html
- none
Search relevance: 39.88 | Views last month: 0
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
- Updated: 2026-02-10
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...
- none
- html
- none
Search relevance: 39.88 | Views last month: 0
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
- Updated: 2026-02-10
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...
- none
- html
- none
Search relevance: 39.88 | Views last month: 0
Federal
Delaware Atlantic coast, 2022 - Aerial Imagery
- Organization: Department of the Interior
- Updated: 2023-08-21T00:00:00Z
Low altitude (300 meters above ground level (AGL)) digital aerial imagery were acquired on June 11, 2022, from a manned, fixed-wing aircraft using a Sony A7R 36 Megapixel digital camera, along...
- xml
- xml
Search relevance: 39.39 | Views last month: 0
Federal
Delaware Atlantic coast, 2020 - Aircraft Positions
- Organization: Department of the Interior
- Updated: 2023-08-21T00:00:00Z
Low altitude (300 meters above ground level (AGL)) digital aerial imagery were acquired on May 4 and 5, 2020, from a manned, fixed-wing aircraft using a Sony A7R 36 Megapixel digital camera, along...
- xml
- xml
Search relevance: 39.39 | Views last month: 0
Federal
Delaware Atlantic coast, 2020 - Aerial Imagery
- Organization: Department of the Interior
- Updated: 2023-08-21T00:00:00Z
Low altitude (300 meters above ground level (AGL)) digital aerial imagery were acquired on May 4 and 5, 2020, from a manned, fixed-wing aircraft using a Sony A7R 36 Megapixel digital camera, along...
- xml
- xml
Search relevance: 39.29 | Views last month: 0
Federal
Delaware Atlantic coast, 2020 - Aircraft Positions
- Organization: Department of the Interior
- Updated: 2023-08-21T00:00:00Z
Low altitude (300 meters above ground level (AGL)) digital aerial imagery were acquired on May 4 and 5, 2020, from a manned, fixed-wing aircraft using a Sony A7R 36 Megapixel digital camera, along...
- xml
- xml
Search relevance: 39.29 | Views last month: 0
Federal
TAO/TRITON, RAMA, and PIRATA Buoys, Monthly, 1980-present, Position
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2022-09-02T00:00:00.000+00:00
This dataset has monthly Position data from the TAO/TRITON (Pacific Ocean, https://www.pmel.noaa.gov/gtmba/ ), RAMA (Indian Ocean, https://www.pmel.noaa.gov/gtmba/pmel-theme/indian-ocean-rama ),...
- html
- none
- none
Search relevance: 37.65 | Views last month: 0
Federal
Aerial Imagery of the North Carolina Coast: 2019-09-08 to 2019-09-13, Post-Hurricane Dorian
- Organization: Department of the Interior
- Updated: 2021-11-16T00:00:00Z
The U.S. Geological Survey (USGS) Remote Sensing Coastal Change (RSCC) project collects aerial imagery along coastal swaths, in response to storm events, with optimized endlap/sidelap and precise...
- xml
- xml
Search relevance: 37.00 | Views last month: 0

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