Earthdata
CMR Virtual Directories

Ground-Based Global Navigation Satellite System Observation Summary Data (30-second sampling, daily files) from NASA CDDIS
temporal
2021
12

Day	File Count
01	693
02	698
03	693
04	694
05	688
06	676
07	680
08	693
09	695
10	696
11	705
12	689
13	693
14	692
15	706
16	685
17	660
18	650
19	678
20	667
21	670
22	666
23	667
24	669
25	691
26	654
27	632
28	632
29	642
30	493
31	119

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NASA Official: Doug Newman
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