Earthdata
CMR Virtual Directories

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

Month	File Count
01	31
02	28
03	31
04	30
05	26
06	6
07	26
08	31
09	28
10	23

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NASA Official: Doug Newman
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