Earthdata
CMR Virtual Directories

Ground-Based Global Navigation Satellite System Observation Summary Data (30-second sampling, daily files) from NASA CDDIS
temporal
2009
01

Day	File Count
01	393
02	390
03	387
04	385
05	395
06	398
07	398
08	389
09	403
10	389
11	394
12	401
13	394
14	398
15	400
16	399
17	390
18	396
19	404
20	403
21	403
22	399
23	406
24	394
25	400
26	407
27	404
28	398
29	402
30	402
31	389

NASA Links

NASA Official: Stephen Berrick
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