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	18368
02	18250
03	14360
04	16216
05	20357
06	19812
07	20582
08	20490
09	19940
10	19904
11	19719
12	18904

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NASA Official: Doug Newman
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