Earthdata
CMR Virtual Directories

Ground-Based Global Navigation Satellite System (GNSS) GPS Broadcast Ephemeris Data (hourly files) from NASA CDDIS
temporal
2015
12

Day	File Count
01	6673
02	7666
03	7268
04	7506
05	6421
06	6409
07	6509
08	6307
09	6725
13	4434
19	4144
24	6573
26	6512
30	6404
31	6061

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NASA Official: Stephen Berrick
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