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Found 3273 dataset(s) matching "positioning systems".

Global Navigation Satellite System (GNSS) IGS Final Troposphere Zenith Path Delay (ZPD) Combination Product (version 1) from NASA CDDIS
- Organization: National Aeronautics and Space Administration
- Updated: 2025-09-11 | Harvested: October 30, 2025 at 09:16 PM
This derived product set consists of version 1 of the Global Navigation Satellite System Final Troposphere Zenith Path Delay (ZPD) Product (daily files by station) from the NASA Crustal Dynamics...
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Global Navigation Satellite System (GNSS) IGS Daily Ionosphere Vertical Total Electron Content (VTEC) Grid Fluctuation Product from NASA CDDIS
- Organization: National Aeronautics and Space Administration
- Updated: 2025-09-11 | Harvested: October 17, 2025 at 06:24 PM
This derived product set consists of Global Navigation Satellite System a Ionosphere Vertical Total Electron Content (VTEC) fluctuation measurement product (daily files) from the NASA Crustal...
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Global Navigation Satellite System (GNSS) IGS Rapid Combined Satellite and Receiver 5-Minute Clock Solution (30-second resolution, daily files, generated daily) Product from NASA CDDIS
- Organization: National Aeronautics and Space Administration
- Updated: 2025-09-11 | Harvested: September 14, 2025 at 03:50 AM
This derived product set consists of Global Navigation Satellite System Rapid Satellite and Receiver Clock Product (30-second granularity, daily files, generated daily) from the NASA Crustal...
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Global Navigation Satellite System (GNSS) IGS Final Combined Satellite and Receiver Clock Solution (5 minute resolution, daily files, generated weekly) product from NASA CDDIS
- Organization: National Aeronautics and Space Administration
- Updated: 2025-09-11 | Harvested: September 14, 2025 at 03:51 AM
This derived product set consists of Global Navigation Satellite System Final Satellite and Receiver Clock Product (5-minute granularity, daily files, generated weekly) from the NASA Crustal...
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Global Navigation Satellite System (GNSS) IGS Final Combined Satellite and Receiver Clock Product (30 second resolution, daily files, generated weekly) from NASA CDDIS
- Organization: National Aeronautics and Space Administration
- Updated: 2025-09-11 | Harvested: September 29, 2025 at 02:17 AM
This derived product set consists of Global Navigation Satellite System Final Satellite and Receiver Clock Product (30-second granularity, daily files, generated weekly) from the NASA Crustal...
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Global Navigation Satellite System (GNSS) IGS Final Analysis Center (AC) Clock Solution Product (daily files, generated weekly) from NASA CDDIS
- Organization: National Aeronautics and Space Administration
- Updated: 2025-09-11 | Harvested: October 20, 2025 at 08:51 PM
This derived product set consists of Global Navigation Satellite System Final Satellite and Receiver Clock Product (30-second granularity, daily files, generated weekly) from the NASA Crustal...
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Ground-Based Global Navigation Satellite System (GNSS) Combined Broadcast Ephemeris Data (30-second sampling, hourly files) from NASA CDDIS
- Organization: National Aeronautics and Space Administration
- Updated: 2025-09-11 | Harvested: September 14, 2025 at 03:26 AM
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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Ground-Based Global Navigation Satellite System Combined Broadcast Ephemeris Data (daily files) from NASA CDDIS
- Organization: National Aeronautics and Space Administration
- Updated: 2025-09-11 | Harvested: September 14, 2025 at 03:24 AM
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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Global Navigation Satellite System (GNSS) IGS Multi-GNSS Experiment (MGEX) Products from NASA CDDIS
- Organization: National Aeronautics and Space Administration
- Updated: 2025-09-11 | Harvested: October 19, 2025 at 06:26 PM
This derived product set consists of Global Navigation Satellite System satellite orbit products (daily files, generated daily) from the real-time IGS analysis center submissions available from...
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Combined GPS Broadcast Ephemeris Data (30-second sampling, hourly files) from NASA CDDIS
- Organization: National Aeronautics and Space Administration
- Updated: 2025-09-11 | Harvested: November 04, 2025 at 09:48 PM
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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Global Navigation Satellite System (GNSS) IGS Decoded Orbit Solution (30-second) from IGS Real-Time Product Streams from NASA CDDIS
- Organization: National Aeronautics and Space Administration
- Updated: 2025-09-11 | Harvested: October 11, 2025 at 06:13 PM
This derived product set consists of Global Navigation Satellite System satellite orbit products (daily files, generated daily) from the real-time IGS analysis center submissions available from...
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Global Navigation Satellite System (GNSS) IGS Final Cumulative Earth Rotation Parameters (ERP) Product from NASA CDDIS
- Organization: National Aeronautics and Space Administration
- Updated: 2025-09-11 | Harvested: October 18, 2025 at 06:23 PM
This derived product set consists of Global Navigation Satellite System Daily Cumulative Earth Rotation Parameter (ERP) product (since GPS week 0860, produced during the reference frame...
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Ground-Based Global Navigation Satellite System (GNSS) Observation Summary Data (30-second sampling, daily files), output of TEQC (translation, editing, and quality check) from NASA CDDIS
- Organization: National Aeronautics and Space Administration
- Updated: 2025-09-11 | Harvested: September 14, 2025 at 03:25 AM
This dataset consists of ground-based Global Navigation Satellite System (GNSS) Observation Summary Data (30-second sampling, daily files of all distinct navigation messages received in one day)...
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Ground-Based Global Navigation Satellite System Observation Summary Data (30-second sampling, daily files) from NASA CDDIS
- Organization: National Aeronautics and Space Administration
- Updated: 2025-03-31 | Harvested: October 27, 2025 at 09:53 PM
This dataset consists of ground-based Global Navigation Satellite System (GNSS) Observation Summary Data (30-second sampling, daily files of all distinct navigation messages received in one day)...
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Global Navigation Satellite System (GNSS) IGS Decoded Clock Solution (10-second) from IGS Real-Time Product Streams from NASA CDDIS
- Organization: National Aeronautics and Space Administration
- Updated: 2025-09-11 | Harvested: September 14, 2025 at 03:51 AM
This derived product set consists of Global Navigation Satellite System satellite and receiver clock products (10-second granularity, daily files, generated daily) from the real-time IGS analysis...
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Global Navigation Satellite System (GNSS) IGS Real-Time Clock Combination of Real-Time Analysis Center (AC) Submissions Product from NASA CDDIS
- Organization: National Aeronautics and Space Administration
- Updated: 2025-09-11 | Harvested: October 20, 2025 at 08:51 PM
This derived product set consists of Global Navigation Satellite System satellite and receiver clock combination product (30-second granularity, daily files, generated daily) from the real-time...
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Global Navigation Satellite System (GNSS) IGS Real-Time Combination Solution Summary of Real-Time Analysis Center (AC) Submissions from NASA CDDIS
- Organization: National Aeronautics and Space Administration
- Updated: 2025-09-11 | Harvested: September 14, 2025 at 03:50 AM
This derived product set consists of Global Navigation Satellite System satellite and receiver clock combination product (30-second granularity, daily files, generated daily) from the real-time...
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Single-Beam XYZ Point Coastal Bathymetry Data Collected in June 2014 from Fire Island, New York from the Shoreface
- Organization: Department of the Interior
- Updated: 20210922 | Harvested: July 18, 2025 at 10:06 AM
Scientists from the U.S. Geological Survey St. Petersburg Coastal and Marine Science Center in St. Petersburg, Florida, collected bathymetric data along the upper shoreface and within the...
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Shoreface Coastal Bathymetry Data Collected in June 2014 from Fire Island, New York: 50-Meter Digital Elevation Model
- Organization: Department of the Interior
- Updated: 20210922 | Harvested: July 16, 2025 at 06:43 AM
Scientists from the U.S. Geological Survey St. Petersburg Coastal and Marine Science Center in St. Petersburg, Florida, collected bathymetric data along the upper shoreface and within the...
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Wilderness Breach Bathymetry Data Collected in June 2014 from Fire Island, New York: 25-Meter Digital Elevation Model
- Organization: Department of the Interior
- Updated: 20210922 | Harvested: July 16, 2025 at 05:29 AM
Scientists from the U.S. Geological Survey St. Petersburg Coastal and Marine Science Center in St. Petersburg, Florida, collected bathymetric data along the upper shoreface and within the...
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