GUARDIAN: Galileo Satellite Earth Orientation Parameters from NASA CDDIS

Global satellite data provides a time series of Earth orientation parameters derived from the Galileo constellation. The product is generated at JPL's Global Differential GPS Operations Centers using data from the IERS Bulletin A. It supports precise positioning and geodetic research.

Use Cases

• Calibrating satellite orbits based on Earth orientation parameter time series.
• Studying polar motion and Earth rotation variations for geophysical research.
• Enhancing Global Navigation Satellite System (GNSS) positioning accuracy for scientific applications.
• Validating geodetic models using parameters from the IERS Bulletin A.

Strengths

• Data originates from NASA's CDDIS and the Jet Propulsion Laboratory (JPL), indicating authoritative provenance.
• Product is part of the GUARDIAN network, suggesting a focus on real-time disaster information applications.
• Cross-platform presence on Data.gov and NASA Earthdata signals importance and broad availability.

Limitations

• Critical metadata is missing: no column names, row counts, or specific time range are provided in any source.
• License is ambiguously listed as 'other-license-specified' without details, creating potential usage uncertainty.
• Descriptions are identical across platforms, offering no additional detail or context.

Provenance

Source

National Aeronautics and Space Administration; Jet Propulsion Laboratory (JPL) Global Differential GPS Operations Centers

Collection Method

Generated from IERS Bulletin A data for the Galileo satellite constellation.

Freshness

2026-04-10 02:17:11.631215

Geography

Global