Earthdata
CMR Virtual Directories

Ground-Based Global Navigation Satellite System Combined Broadcast Ephemeris Data (daily files) from NASA CDDIS
temporal
1997

Month	File Count
01	63
02	56
03	63
04	60
05	63
06	60
07	77
08	62
09	67
10	62
11	60
12	63

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NASA Official: Stephen Berrick
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