Earthdata
CMR Virtual Directories

Global Navigation Satellite System (GNSS) Ionosphere Vertical Total Electron Content (VTEC) Analysis Center Product from NASA CDDIS
temporal
2025

Month	File Count
01	246
02	207
03	217
04	225
05	193
06	33
07	195
08	214
09	194
10	199
11	182
12	190

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NASA Official: Doug Newman
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