Earthdata
CMR Virtual Directories

Ground-Based Global Navigation Satellite System Observation Summary Data (30-second sampling, daily files) from NASA CDDIS
temporal
2015
04

Day	File Count
01	1071
02	1071
03	1074
04	1067
05	1069
06	1086
07	1032
08	1039
09	1043
10	1161
11	1064
12	1068
13	943
14	736
15	732
16	733
17	741
18	727
19	722
20	744
21	759
22	744
23	759
24	756
25	852
26	953
27	757
28	754
29	758
30	743

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NASA Official: Doug Newman
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