1. Ground-Based Global Navigation Satellite System Observation Summary Data (30-second sampling, daily files) from NASA CDDIS
  2. temporal
  3. 2020
  4. 12
DayFile Count
01666
02661
03654
04677
05660
06657
07663
08654
09658
10664
11659
12658
13672
14668
15671
16671
17668
18672
19669
20666
21663
22663
23663
24674
25663
26666
27661
28660
29649
30497
3184