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	206
03	217
04	225
05	180
06	32
07	171
08	184
09	169
10	169
11	180
12	110

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NASA Official: Doug Newman
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