1. Global Navigation Satellite System (GNSS) IGS Rapid Daily Ionosphere Vertical Total Electron Content (VTEC) Grid Product from NASA CDDIS
  2. temporal
  3. 2025
  4. 08
  5. 08
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gnss_products_ionex_2025_221_IGS0OPSRAP_20252210000_01D_02H_GIM.INX.gz