Earthdata
CMR Virtual Directories

Global Navigation Satellite System (GNSS) Ionosphere Vertical Total Electron Content (VTEC) Analysis Center Product from NASA CDDIS
temporal
2017
04

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

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NASA Official: Doug Newman
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