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
2021

Month	File Count
01	16326
02	5854
03	18492
04	6879
05	7683
06	20434
07	20459
08	17565
09	19254
10	20893
11	20665
12	20235

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NASA Official: Doug Newman
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