1. Ground-Based Global Navigation Satellite System Observation Summary Data (30-second sampling, daily files) from NASA CDDIS
  2. temporal
  3. 2009
  4. 09
DayFile Count
01399
02402
03393
04401
05391
06400
07393
08397
09401
10403
11405
12401
13396
14396
15397
16394
17395
18388
19390
20397
21397
22398
23399
24386
25383
26394
27392
28397
29401
30398