Earthdata
CMR Virtual Directories

Ground-Based Global Navigation Satellite System (GNSS) Observation Data (30-second sampling, hourly files) from NASA CDDIS
temporal
2021
07

Day	File Count
01	51
02	95
03	121
04	159
05	15
06	184
07	192
08	192
09	192
10	192
11	192
12	192
13	192
14	192
15	192
16	192
17	192
18	192
19	192
20	96
21	186
22	192
23	191
24	192
25	192
26	192
27	192
28	192
29	191
30	192
31	192

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NASA Official: Stephen Berrick
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