Earthdata
CMR Virtual Directories

Global Navigation Satellite System (GNSS) Ionosphere Vertical Total Electron Content (VTEC) Analysis Center Product from NASA CDDIS
temporal
2013

Month	File Count
01	93
02	225
03	236
04	120
05	138
06	135
07	150
08	155
09	148
10	141
11	134
12	191

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NASA Official: Stephen Berrick
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