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	18377
02	18246
03	14356
04	16215
05	20334
06	19779
07	20561
08	20457
09	19908
10	19871
11	19690
12	18876

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NASA Official: Doug Newman
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