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	606
07	610
08	537
09	711
10	568
11	589
12	574
13	581
14	562
15	648
16	621
17	640
18	485
19	585
20	698
21	627
22	594
23	643
24	625
25	621
26	586
27	605
28	496
29	580
30	714
31	626

NASA Links

NASA Official: Stephen Berrick
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