1. Ground-Based Global Navigation Satellite System (GNSS) GPS Broadcast Ephemeris Data (sub-hourly files) from NASA CDDIS
  2. temporal
YearFile Count
2001259182
2002501003
2003765783
2004886146
20051023171
2006993480
2007970462
20081068274
20091155483
20101309061
20111652518
20122979097
20132887435
20143772277
20154424902
20164412885
20172539579
20183214569
20193855622
20203399572
20213755249
20224853381
20234511097
20243449290