1. Ground-Based Global Navigation Satellite System (GNSS) Compact Observation Data (30-second sampling, daily, 24 hour files) from NASA CDDIS
  2. temporal
  3. 2009
MonthFile Count
0112307
0211094
0312637
0412040
0512591
0612141
0712599
0812590
0911912
1012430
1112148
1212499