Earthdata
CMR Virtual Directories

Global Navigation Satellite System (GNSS) Ionosphere Vertical Total Electron Content (VTEC) Analysis Center Product from NASA CDDIS
temporal
2012

Month	File Count
01	423
02	343
03	397
04	382
05	439
06	494
07	428
08	398
09	321
10	96
11	90
12	93

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NASA Official: Stephen Berrick
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