Earthdata
CMR Virtual Directories

Ground-Based Global Navigation Satellite System Observation Summary Data (30-second sampling, daily files) from NASA CDDIS
temporal
2009
05

Day	File Count
01	409
02	411
03	402
04	406
05	405
06	412
07	418
08	409
09	415
10	411
11	404
12	412
13	413
14	409
15	411
16	407
17	405
18	418
19	418
20	411
21	411
22	399
23	390
24	382
25	415
26	405
27	406
28	406
29	407
30	401
31	406

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NASA Official: Doug Newman
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