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	691
02	696
03	691
04	692
05	686
06	674
07	678
08	691
09	693
10	694
11	703
12	688
13	692
14	691
15	705
16	684
17	659
18	649
19	677
20	666
21	669
22	665
23	666
24	668
25	690
26	653
27	631
28	631
29	641
30	491
31	118

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