Earthdata
CMR Virtual Directories

Global Navigation Satellite System (GNSS) Ionosphere Vertical Total Electron Content (VTEC) Analysis Center Product from NASA CDDIS
temporal
1998

Month	File Count
01	124
02	112
03	124
04	120
05	125
06	159
07	178
08	169
09	162
10	172
11	153
12	193

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NASA Official: Stephen Berrick
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