Earthdata
CMR Virtual Directories

Ground-Based Global Navigation Satellite System (GNSS) Compact Observation Data (30-second sampling, daily, 24 hour files) from NASA CDDIS
temporal
1997
12

Day	File Count
01	141
02	141
03	140
04	142
05	146
06	141
07	141
08	147
09	138
10	139
11	134
12	141
13	145
14	141
15	140
16	136
17	137
18	142
19	136
20	144
21	138
22	137
23	138
24	138
25	143
26	139
27	135
28	143
29	139
30	139
31	144

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NASA Official: Stephen Berrick
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