1. Global Navigation Satellite System (GNSS) Ionosphere Vertical Total Electron Content (VTEC) Analysis Center Product from NASA CDDIS
  2. temporal
  3. 2020
  4. 02
  5. 10
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gnss_products_ionex_2020_042_casg0420.20i.Z
gnss_products_ionex_2020_042_upcg0420.20i.Z
gnss_products_ionex_2020_042_codg0420.20i.Z
gnss_products_ionex_2020_042_esag0420.20i.Z