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Global Navigation Satellite System (GNSS) Ionosphere Vertical Total Electron Content (VTEC) Analysis Center Rapid Product from NASA CDDIS
temporal
2020
04
Day
File Count
01
10
02
10
03
9
04
1
05
2
06
9
07
2
08
10
09
10
10
9
11
2
12
10
13
10
14
10
15
10
16
9
19
1
20
3
21
10
22
10
23
10
24
10
25
10
26
10
27
10
28
10
29
10
30
10