Earthdata
CMR Virtual Directories

Ground-Based Global Navigation Satellite System Observation Summary Data (30-second sampling, daily files) from NASA CDDIS
temporal
2019
02

Day	File Count
01	805
02	796
03	810
04	801
05	799
06	802
07	813
08	798
09	791
10	794
11	806
12	822
13	805
14	801
15	804
16	804
17	817
18	830
19	743
20	805
21	805
22	807
23	775
24	763
25	557
26	325
27	797
28	830

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NASA Official: Stephen Berrick
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