Earthdata
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Global Navigation Satellite System (GNSS) Ionosphere Vertical Total Electron Content (VTEC) Analysis Center Product from NASA CDDIS
temporal
1999
01
06

Granule Download	Other Links
gnss_products_ionex_1999_006_whug0060.99i.Z
gnss_products_ionex_1999_006_casg0060.99i.Z
gnss_products_ionex_2099_006_whug0060.99i.Z

NASA Links

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