Earthdata
CMR Virtual Directories

Ground-Based Global Navigation Satellite System Observation Summary Data (30-second sampling, daily files) from NASA CDDIS
temporal
1997
12

Day	File Count
01	142
02	141
03	142
04	143
05	153
06	141
07	143
08	148
09	140
10	140
11	136
12	143
13	147
14	142
15	146
16	138
17	138
18	142
19	137
20	144
21	139
22	138
23	139
24	138
25	149
26	138
27	136
28	144
29	140
30	137
31	144

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NASA Official: Doug Newman
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