Earthdata
CMR Virtual Directories

Global Navigation Satellite System (GNSS) Ionosphere Vertical Total Electron Content (VTEC) Fluctuation Measurement Product from NASA CDDIS
temporal
2020

Month	File Count
01	31
02	29
03	30
04	30
05	31
06	30
07	29
08	31
09	30
10	27
11	24
12	10

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NASA Official: Stephen Berrick
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