Earthdata
CMR Virtual Directories

Ground-Based Global Navigation Satellite System Observation Summary Data (30-second sampling, daily files) from NASA CDDIS
temporal
2012
12

Day	File Count
01	591
02	590
03	591
04	594
05	604
06	598
07	598
08	589
09	588
10	588
11	593
12	594
13	597
14	591
15	586
16	593
17	602
18	598
19	597
20	590
21	590
22	586
23	580
24	587
25	580
26	599
27	583
28	582
29	575
30	558
31	571

NASA Links

NASA Official: Stephen Berrick
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