Earthdata
CMR Virtual Directories

Global Navigation Satellite System (GNSS) Ionosphere Vertical Total Electron Content (VTEC) Analysis Center Product from NASA CDDIS
temporal
2021
12

Day	File Count
01	4
02	5
03	5
04	5
05	5
06	5
07	5
08	5
09	5
10	5
11	4
12	5
13	5
14	5
15	5
16	5
17	5
18	5
19	5
20	4
21	5
22	5
23	5
24	5
25	4
26	4
27	3
28	3
29	2
30	2
31	3

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