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
2019

Month	File Count
01	17839
02	22251
03	25164
04	22809
05	25382
06	24483
07	25502
08	25198
09	24105
10	24921
11	23945
12	24550

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