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	17901
02	22307
03	25226
04	22869
05	25444
06	24543
07	25564
08	25262
09	24165
10	24983
11	24005
12	24612

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NASA Official: Doug Newman
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