• Organization: Department of the Interior
• Updated: 2024-03-18T00:00:00Z

In order to test hypotheses about groundwater flow under and into Chesapeake Bay, geophysical surveys were conducted by U.S. Geological Survey (USGS) scientists on Chesapeake Bay and the Potomac...

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• Organization: Department of the Interior
• Updated: 2024-03-18T00:00:00Z

In 2008, the U.S. Geological Survey (USGS), Woods Hole Coastal and Marine Science Center (WHCMSC), in cooperation with the U.S. Army Corps of Engineers conducted a geophysical and sampling survey...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 1994-04-22T00:00:00.000+00:00

The National Geodetic Survey's (NGS) NOAA Continuously Operating Reference Stations (CORS) Network (NCN) provides Global Navigation Satellite System (GNSS) data consisting of carrier phase and...

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• Organization: National Aeronautics and Space Administration
• Updated: 2026-02-10

Global Navigation Satellite System (GNSS) data consists of the U.S. Global Positioning System (GPS) and the Russian GLObal NAvigation Satellite System (GLONASS) (plus other international systems)...

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• Organization: National Aeronautics and Space Administration
• Updated: 2025-03-31

Global Navigation Satellite System (GNSS) data consists of the U.S. Global Positioning System (GPS) and the Russian GLObal NAvigation Satellite System (GLONASS) (plus other international systems)...

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• Organization: National Aeronautics and Space Administration
• Updated: 2025-04-01

Global Navigation Satellite System (GNSS) data consists of the U.S. Global Positioning System (GPS) and the Russian GLObal NAvigation Satellite System (GLONASS) (plus other international systems)...

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• Organization: National Aeronautics and Space Administration
• Updated: 2026-02-10

This dataset consists of differential code biases (DCBs) from a network of ground-based Global Navigation Satellite System (GNSS) station and available from the NASA Crustal Dynamics Data...

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• Organization: National Aeronautics and Space Administration
• Updated: 2025-03-31

This dataset consists of supporting information for use of ground-based Global Navigation Satellite System (GNSS) data and products from the NASA Crustal Dynamics Data Information System (CDDIS)....

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• Organization: National Aeronautics and Space Administration
• Updated: 2026-02-10

This dataset consists of ground-based Global Navigation Satellite System (GNSS) Indian Regional Navigation Satellite System (IRNSS) Broadcast Ephemeris Data (hourly files) from the NASA Crustal...

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• Organization: National Aeronautics and Space Administration
• Updated: 2026-02-10

This dataset consists of ground-based Global Navigation Satellite System (GNSS) GPS Combined Broadcast Ephemeris Data (daily files of all distinct navigation messages received in one day) from the...

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• Organization: National Aeronautics and Space Administration
• Updated: 2025-04-01

Global Navigation Satellite System (GNSS) daily 30-second sampled data available from the Crustal Dynamics Data Information System (CDDIS). Global Navigation Satellite System (GNSS) provide...

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• Organization: National Aeronautics and Space Administration
• Updated: 2026-02-10

This dataset consists of ground-based Global Navigation Satellite System (GNSS) Mixed Broadcast Ephemeris Data (daily files) from the NASA Crustal Dynamics Data Information System (CDDIS). GNSS...

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• Organization: National Aeronautics and Space Administration
• Updated: 2026-02-10

This dataset consists of ground-based Global Navigation Satellite System (GNSS) Indian Regional Navigation Satellite System (IRNSS) Broadcast Ephemeris Data (daily files) from the NASA Crustal...

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• Organization: Department of the Interior
• Updated: 2022-07-07T00:00:00Z

Low-altitude (30-120 meters above ground level) digital images of Town Neck Beach in Sandwich, Massachusetts, were obtained with a series of cameras mounted on small unmanned aerial systems (UAS,...

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• Organization: National Aeronautics and Space Administration
• Updated: 2026-02-10

This dataset consists of ground-based Global Navigation Satellite System (GNSS) GLObal NAvigation Satellite System (GLONASS) Broadcast Ephemeris Data (daily files) from the NASA Crustal Dynamics...

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• Organization: National Aeronautics and Space Administration
• Updated: 2026-02-10

This dataset consists of ground-based multi-GNSS (Global Navigation Satellite System) Broadcast Ephemeris Data. GNSS satellites provide autonomous geo-spatial positioning with global coverage....

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• Organization: National Aeronautics and Space Administration
• Updated: 2025-07-17

Global Navigation Satellite System (GNSS) real-time 1 to multi-second sampled data available from the Crustal Dynamics Data Information System (CDDIS). Global Navigation Satellite System (GNSS)...

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• Organization: National Aeronautics and Space Administration
• Updated: 2026-02-10

This dataset consists of ground-based Global Navigation Satellite System (GNSS) Combined Broadcast Ephemeris Data (hourly files of all distinct navigation messages received in one day) from the...

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• Organization: National Aeronautics and Space Administration
• Updated: 2026-02-10

This dataset consists of ground-based Global Navigation Satellite System (GNSS) Combined Broadcast Ephemeris Data (daily files of all distinct navigation messages received in one day) from the...

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• Organization: National Aeronautics and Space Administration
• Updated: 2026-02-10

Global Navigation Satellite System (GNSS) real-time 1 to multi-second sampled data available from the Crustal Dynamics Data Information System (CDDIS). Global Navigation Satellite System (GNSS)...

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