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
200662603
200764333
200869704
200981995
201098644
2011112384
2012181104
2013173984
2014207567
2015193193
2016275688
2017154578
2018160247
2019176469
2020153041
2021102519
2022122191
2023114547
202495206
202574903