1. Ground-Based Global Navigation Satellite System (GNSS) GPS Broadcast Ephemeris Data (hourly files) from NASA CDDIS
  2. temporal
YearFile Count
20021
20052666428
20061108969
2007210461
20081216426
20091026368
20102952
2012806670
201358533
2014735921
20151176689
20162343745
20172137305
20181903207
20193034069
20201905095
20211429399
20221275972
20231465748
20241782946
20251480541
2026888772