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	186
02	182
03	182
04	183
05	180
06	184
07	188
08	184
09	187
10	187
11	185
12	187
13	187
14	188
15	190
16	189
17	188
18	186
19	183
20	188
21	182
22	184
23	176
24	169
25	168
26	165
27	185
28	179
29	180
30	171
31	172

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NASA Official: Stephen Berrick
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