Earthdata
CMR Virtual Directories

Ground-Based Global Navigation Satellite System Observation Summary Data (30-second sampling, daily files) from NASA CDDIS
temporal
1995

Month	File Count
01	170
02	134
03	178
04	1975
05	2698
06	2731
07	2956
08	2993
09	2997
10	3147
11	2831
12	2917

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NASA Official: Stephen Berrick
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