1. Ground-Based Global Navigation Satellite System Observation Summary Data (30-second sampling, daily files) from NASA CDDIS
  2. temporal
  3. 1997
  4. 06
DayFile Count
01128
02136
03132
04130
05130
06130
07128
08131
09130
10125
11125
12126
13126
14131
15127
16132
17132
18130
19128
20131
21129
22125
23122
24127
25129
26126
27125
28128
29128
30119