Earthdata
CMR Virtual Directories

Global Navigation Satellite System (GNSS) Ionosphere Vertical Total Electron Content (VTEC) Validation Product from NASA CDDIS
temporal
2021

Month	File Count
01	15
02	19
03	28
05	22
06	56
07	62
08	58
09	60
10	62
11	60
12	62

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NASA Official: Stephen Berrick
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