1. Ground-Based Global Navigation Satellite System (GNSS) GPS Broadcast Ephemeris Data (daily files) from NASA CDDIS
  2. temporal
YearFile Count
199211644
199321482
199414908
199519161
199626381
199729718
199833166
199935975
200047422
200144476
200252109
200360099
200461368
200562584
200662641
200764688
200870068
200982359
201099009
2011112749
2012181470
2013174349
2014207955
2015193558
2016276054
2017154942
2018160612
2019176834
2020153407
2021102627
2022122191
2023114547
202495483
202578377
202643848