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
200562334
200661876
200763740
200869142
200981144
201097656
2011111110
2012179980
2013172645
2014206212
2015191474
2016273452
2017152027
2018156883
2019171545
2020147916
202197606
2022116612
202347001