Earthdata
CMR Virtual Directories

Ground-Based Global Navigation Satellite System (GNSS)-based Upper Atmospheric Realtime Disaster Information and Alert Network (GUARDIAN) Near Real-Time Ionospheric Total Electron Count (5-second sampling, 24-hour files) from NASA CDDIS
temporal
2026
02

Day	File Count
01	91
02	91
03	90
04	89
05	87
06	87
07	87
08	87
09	88
10	88
11	87
12	88
13	88
14	88
15	88
16	87
17	87
18	88
19	88
20	88
21	88
22	88
23	88
24	88
25	90
26	90
27	90
28	90

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