1. Ground-Based Global Navigation Satellite System Observation Summary Data (30-second sampling, daily files) from NASA CDDIS
  2. temporal
  3. 2009
  4. 03
DayFile Count
01402
02412
03409
04408
05412
06413
07404
08407
09413
10411
11411
12415
13410
14414
15411
16406
17407
18421
19409
20418
21404
22406
23421
24415
25412
26407
27405
28402
29403
30409
31403