Earthdata
CMR Virtual Directories

Ground-Based Global Navigation Satellite System Observation Summary Data (30-second sampling, daily files) from NASA CDDIS
temporal
1999
12

Day	File Count
01	185
02	184
03	184
04	185
05	192
06	186
07	190
08	186
09	189
10	189
11	187
12	189
13	189
14	190
15	202
16	191
17	190
18	188
19	185
20	190
21	184
22	186
23	178
24	171
25	180
26	167
27	187
28	181
29	182
30	173
31	174

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NASA Official: Stephen Berrick
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