Earthdata
CMR Virtual Directories

Ground-Based Global Navigation Satellite System Observation Summary Data (30-second sampling, daily files) from NASA CDDIS
temporal
2005

Month	File Count
01	9901
02	9197
03	10403
04	9951
05	10075
06	10027
07	10511
08	10636
09	10290
10	11147
11	11017
12	11056

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NASA Official: Doug Newman
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