Earthdata
CMR Virtual Directories

Global Navigation Satellite System (GNSS) Ionosphere Vertical Total Electron Content (VTEC) Analysis Center Product from NASA CDDIS
temporal
2019

Month	File Count
01	392
02	460
03	489
04	204
08	93
09	174
10	23
11	74
12	31

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NASA Official: Stephen Berrick
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