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GPS Deduced ROTI Index, Standard Deviation of the Rate of Change of the Total Electron Content (TEC), World Maps and Movies, 15 min Data

Published by CDAWeb | National Aeronautics and Space Administration | Catalog Last Checked: August 12, 2026 at 12:45 AM | Dataset Last Updated: August 10, 2026
The ROTI Index is the Standard Deviation of the Rate of Change of the Total Electron Content, TEC, during a 15 min Interval. The TEC Values are measured between a Global Positioning Satellite, GPS, and Ground Receiver Station.

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