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Found 542 dataset(s) matching "Global Positioning System (GPS) observations".

Ground-Based Global Navigation Satellite System Data (1-second sampling, real-time streams) from NASA CDDIS
- Organization: National Aeronautics and Space Administration
- Updated: 2025-07-17 | Harvested: October 22, 2025 at 09:15 PM
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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Ground-Based Global Navigation Satellite System Data (30-second sampling, 1 hour files) from NASA CDDIS
- Organization: National Aeronautics and Space Administration
- Updated: 2025-04-01 | Harvested: June 28, 2025 at 10:04 AM
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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Global Navigation Satellite System (GNSS) IGS Summary of Orbit and Clock Comparisons of Analysis Center (AC) and Combination Real-Time Solutions with IGS Rapid Solutions 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 a summary comparing the International GNSS Service (IGS) Real-Time Service (RTS) orbit and clock products from all analysis center and combination streams with...
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Global Navigation Satellite System (GNSS) IGS Weekly Ionosphere Vertical Total Electron Content (VTEC) Grid Validation Product from NASA CDDIS
- Organization: National Aeronautics and Space Administration
- Updated: 2025-09-11 | Harvested: October 16, 2025 at 06:17 PM
This derived product set consists of Global Navigation Satellite System Ionosphere Vertical Total Electron Content (VTEC) comparison product (daily files) from the NASA Crustal Dynamics Data...
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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 Daily Ionosphere Vertical Total Electron Content (VTEC) Comparison 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 Ionosphere Vertical Total Electron Content (VTEC) comparison product (daily files) from the NASA Crustal Dynamics Data...
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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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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 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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Topographic measurements of Little Holland Tract, Sacramento-San Joaquin Delta, California, 2015, using backpack GPS
- Organization: Department of the Interior
- Updated: 20201019 | Harvested: July 18, 2025 at 08:54 AM
Topographic data were collected by the U.S. Geological Survey (USGS) in 2015 for Little Holland Tract in the Sacramento-San Joaquin River Delta, California. The data were collected on foot using a...
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Global Navigation Satellite System (GNSS) IGS Ionosphere Vertical Total Electron Content (VTEC) Final 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 Final Ionosphere Vertical Total Electron Content (VTEC) product (daily files) from the NASA Crustal Dynamics Data...
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Global Navigation Satellite System (GNSS) IGS Predicted Ionosphere Vertical Total Electron Content (VTEC) Grid 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 Predicted Ionosphere Vertical Total Electron Content (VTEC) product (daily files) from the NASA Crustal Dynamics Data...
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Global Navigation Satellite System (GNSS) IGS Ionosphere Vertical Total Electron Content (VTEC) Analysis Center (AC) Rapid Product from NASA CDDIS
- Organization: National Aeronautics and Space Administration
- Updated: 2025-09-11 | Harvested: October 16, 2025 at 06:17 PM
This derived product set consists of Global Navigation Satellite System Rapid Ionosphere Vertical Total Electron Content (VTEC) product (daily files) from the NASA Crustal Dynamics Data...
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Global Navigation Satellite System (GNSS) IGS Rapid Daily Ionosphere Vertical Total Electron Content (VTEC) Grid Product 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 Rapid Ionosphere Vertical Total Electron Content (VTEC) product (daily files) from the NASA Crustal Dynamics Data...
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Global Navigation Satellite System (GNSS) IGS Analysis Center (AC) Ionosphere Vertical Total Electron Content (VTEC) 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 Ionosphere Vertical Total Electron Content (VTEC) product (daily files) from the NASA Crustal Dynamics Data...
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Global Navigation Satellite System (GNSS) IGS Rapid High-Rate Ionosphere Vertical Total Electron Content (VTEC) Grid Product from NASA CDDIS
- Organization: National Aeronautics and Space Administration
- Updated: 2025-09-11 | Harvested: October 24, 2025 at 09:01 PM
This derived product set consists of Global Navigation Satellite System a high-rate Ionosphere Vertical Total Electron Content (VTEC) product (daily files) from the NASA Crustal Dynamics Data...
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Global Navigation Satellite System (GNSS) IGS Ultra-Rapid Combined Orbit Solution Product (sub-daily files, generated 4 times/day) 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 Ultra-Rapid Orbit Product (daily files, generated daily) from the NASA Crustal Dynamics Data Information System (CDDIS)....
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Global Navigation Satellite System (GNSS) IGS Final Analysis Center (AC) Troposphere Zenith Path Delay (ZPD) product from NASA CDDIS
- Organization: National Aeronautics and Space Administration
- Updated: 2025-09-11 | Harvested: September 15, 2025 at 12:24 AM
This derived product set consists of Global Navigation Satellite System Final Troposphere Zenith Path Delay (ZPD) Product (daily files by station) from the NASA Crustal Dynamics Data Information...
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