Earthdata
CMR Virtual Directories

Ground-Based Global Navigation Satellite System (GNSS) Combined Broadcast Ephemeris Data (hourly files) from NASA CDDIS
temporal
2025

Month	File Count
01	60
02	56
03	62
04	60
05	38
07	48
08	60
09	58
10	53
11	60
12	62

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NASA Official: Doug Newman
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