1. 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
  2. temporal
  3. 2025
  4. 01
DayFile Count
0190
02104
03103
04103
05103
06103
07103
08104
09103
10102
11102
12103
13102
14102
15122
16107
17105
18104
19105
20104
21105
22105
23104
24103
25102
26104
27103
28104
29103
30104
31103