1. Global Navigation Satellite System (GNSS) Ionosphere Vertical Total Electron Content (VTEC) Analysis Center Rapid Product from NASA CDDIS
  2. temporal
  3. 2012
  4. 10
  5. 27
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gnss_products_ionex_2012_302_uprg3020.12i.Z
gnss_products_ionex_2012_302_uqrg3020.12i.Z
gnss_products_ionex_2012_302_uhrg3020.12i.Z