Earthdata
CMR Virtual Directories

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

Month	File Count
01	31
02	28
03	31
04	30
05	16
06	10
07	31
08	31
09	21
10	31
11	30
12	26

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NASA Official: Doug Newman
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