Earthdata
CMR Virtual Directories

Ground-Based Global Navigation Satellite System Observation Summary Data (30-second sampling, daily files) from NASA CDDIS
temporal
2001
04

Day	File Count
01	214
02	222
03	225
04	219
05	221
06	222
07	224
08	219
09	225
10	227
11	230
12	227
13	228
14	221
15	219
16	226
17	222
18	218
19	222
20	223
21	220
22	216
23	217
24	218
25	226
26	220
27	220
28	218
29	216
30	220

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NASA Official: Stephen Berrick
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