GLONASS Satellite Observation Data from Global Ground Network

NASA's Crustal Dynamics Data Information System provides daily GLONASS satellite observation data from a global network of ground receivers. Each file contains one day of 30-second sampled observations in the RINEX format, compressed using the Hatanaka method. The dataset is maintained by NASA and was last updated in March 2026.

Use Cases

• Analyzing crustal motion rates and directions by processing precise satellite-to-receiver range observations.
• Studying Earth's rotational variations and polar motion using time-series data from a global receiver network.
• Comparing signal structure and orbital data from the Russian GLONASS constellation with other GNSS systems like GPS.
• Investigating plate tectonics and fault movement by examining long-term positional data from permanent ground stations.

Strengths

• Data originates from NASA's authoritative Crustal Dynamics Data Information System (CDDIS).
• Provides global coverage from a permanent network of ground-based receivers.
• Offers high-temporal-resolution observations with a consistent 30-second sampling rate.

Limitations

• Specific column names, row counts, and total dataset size are not provided by any source.
• The listed update date of March 2026 appears to be a future date, indicating a potential metadata error.
• File format information is limited to BIN, ISO, and HTML, which may not directly represent the core RINEX observation data.

Provenance

Source

NASA Crustal Dynamics Data Information System (CDDIS)

Collection Method

Observations collected from a global permanent network of ground-based GNSS receivers.

Time Range

Daily files; specific start and end dates are not provided.

Freshness

2026-03-13 01:45:55.236562

Geography

Global