Earthdata
CMR Virtual Directories

Ground-Based Global Navigation Satellite System Observation Summary Data (30-second sampling, daily files) from NASA CDDIS
temporal
2012
01

Day	File Count
01	525
02	590
03	595
04	598
05	606
06	607
07	611
08	538
09	713
10	569
11	590
12	575
13	582
14	563
15	649
16	622
17	641
18	486
19	587
20	699
21	628
22	595
23	644
24	626
25	622
26	587
27	606
28	497
29	582
30	715
31	627

NASA Links

NASA Official: Stephen Berrick
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