1. Ground-Based Global Navigation Satellite System (GNSS) Compact Observation Data (30-second sampling, hourly files) from NASA CDDIS
  2. temporal
  3. 2009
MonthFile Count
01103559
0294359
03110245
04104217
05115165
06108498
07111284
08110862
09103905
10107547
11175838
12142767