Earthdata
CMR Virtual Directories

Ground-Based Global Navigation Satellite System Observation Summary Data (30-second sampling, daily files) from NASA CDDIS
temporal
2023

Month	File Count
01	18201
02	18051
03	13881
04	15820
05	20098
06	19519
07	20278
08	20129
09	19476
10	19327
11	19178
12	18187

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NASA Official: Stephen Berrick
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