Earthdata
CMR Virtual Directories

Ground-Based Global Navigation Satellite System Observation Summary Data (30-second sampling, daily files) from NASA CDDIS
temporal
2020

Month	File Count
01	24982
02	23264
03	21187
04	21874
05	23689
06	23150
07	23136
08	22612
09	21711
10	17348
11	2656
12	19831

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NASA Official: Doug Newman
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