Earthdata
CMR Virtual Directories

Ground-Based Global Navigation Satellite System (GNSS) GPS Broadcast Ephemeris Data (hourly files) from NASA CDDIS
temporal
2015
09

Day	File Count
03	189
07	9
13	159
15	56
19	6190
20	6278
21	6371
22	6574
23	6532
27	6135
30	6638

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NASA Official: Stephen Berrick
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