Earthdata
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Global Navigation Satellite System (GNSS) Ionosphere Vertical Total Electron Content (VTEC) Analysis Center Product from NASA CDDIS
temporal
2000
04
30

Granule Download	Other Links
gnss_products_ionex_2000_121_whug1210.00i.Z
gnss_products_ionex_2000_121_casg1210.00i.Z

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NASA Official: Stephen Berrick
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