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CDDIS_GNSS_products_ionosphere_predicted

Published by NASA/GSFC/SED/ESD/GGL/CDDIS | National Aeronautics and Space Administration | Catalog Last Checked: January 03, 2026 at 07:58 PM | Dataset Last Updated: March 31, 2025
Ionosphere Total Electron Content (TEC) grids derived from analysis of Global Navigation Satellite System (GNSS) data. These products are the generated by analysis centers in support of the International GNSS Service (IGS) and combined by the IGS ionosphere analysis coordinator to form the official IGS predicted ionopsphere product (daily).

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