Mars Express MARSIS Radar Subsurface Sounding Data

NASA's Mars Express spacecraft subsurface sounding data from the MARSIS experiment. The data have been uncompressed, corrected for Automated Gain Control, aligned to a reference altitude, and range processed after correcting for ionospheric signal distortion. This dataset is a reduced data record version 1.0.

Use Cases

• Analyze subsurface layering and composition based on radar sounding data
• Map subsurface geological features based on processed radar signals
• Study ionospheric effects on radar measurements based on signal correction procedures
• Validate subsurface models based on processed MARSIS experiment data

Strengths

• Data processed for Automated Gain Control correction and ionospheric distortion
• Data aligned to a reference altitude for consistency

Limitations

• Description metadata is limited; actual data quality requires manual inspection after download
• Column-level documentation is absent; field semantics must be inferred after download

Provenance

Source

National Aeronautics and Space Administration

Collection Method

Data gathered by the Mars Express spacecraft MARSIS experiment.

Freshness

Last updated 2026-03-13 05:10:52.405668; freshness should be verified

Geography

Mars