Earthdata
CMR Virtual Directories

Ground-Based Global Navigation Satellite System Observation Summary Data (30-second sampling, daily files) from NASA CDDIS
temporal
2003
12

Day	File Count
01	327
02	315
03	315
04	312
05	309
06	305
07	302
08	310
09	313
10	319
11	318
12	317
13	310
14	316
15	321
16	313
17	315
18	317
19	317
20	320
21	319
22	318
23	317
24	315
25	314
26	312
27	315
28	311
29	304
30	298
31	314

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NASA Official: Stephen Berrick
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