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	181
03	181
04	182
05	179
06	183
07	187
08	183
09	186
10	186
11	184
12	186
13	186
14	187
15	189
16	188
17	187
18	185
19	182
20	187
21	181
22	183
23	175
24	168
25	167
26	164
27	184
28	178
29	179
30	170
31	171

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NASA Official: Stephen Berrick
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