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. 02
DayFile Count
01102
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06103
07102
08102
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11103
12101
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17103
18103
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20103
21103
22103
23103
24104
25104
26104
27103
28102