Earthdata
CMR Virtual Directories

Global Navigation Satellite System (GNSS) Ionosphere Vertical Total Electron Content (VTEC) Analysis Center Product from NASA CDDIS
temporal
2001

Month	File Count
01	95
02	80
03	77
04	90
05	83
06	81
07	98
08	92
09	78
10	83
11	90
12	83

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NASA Official: Stephen Berrick
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