1. Ground-Based Global Navigation Satellite System (GNSS) Observation Data (30-second sampling, hourly files) from NASA CDDIS
  2. temporal
YearFile Count
200518480
20067671
20071541
200812464
20097869
20125936
2013572
20148966
201513285
201623876
20179897
20181495
201944931
202030603
202133288
202229618
202337496
202451142
202560448
20268226