Earthdata
CMR Virtual Directories

Ground-Based Global Navigation Satellite System (GNSS) GPS Broadcast Ephemeris Data (daily files) from NASA CDDIS
temporal
2015

Month	File Count
01	18108
02	17260
03	18453
04	14957
05	14305
06	12129
07	12749
08	14085
09	14926
10	18988
11	20339
12	16894

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NASA Official: Doug Newman
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