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	17922
02	22307
03	25226
04	22869
05	25446
06	24544
07	25564
08	25263
09	24175
10	24986
11	24005
12	24612

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NASA Official: Doug Newman
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