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CDDIS Data Access and Tools

Explore datasets archived by NASA's Crustal Dynamics Data Information System (CDDIS) and learn more about relevant data tools. 

For a complete list of datasets and tools, visit the CDDIS website.

CDDIS Data Tools

Tool Sort descending Description Services
GUARDIAN The GNSS-based Upper Atmospheric Realtime Disaster Information and Alert Network (GUARDIAN) is a near real-time (NRT) ionospheric monitoring tool for natural hazards warning.
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