1. Ground-Based Global Navigation Satellite System Observation Summary Data (30-second sampling, daily files) from NASA CDDIS
  2. temporal
  3. 1997
  4. 11
DayFile Count
01133
02137
03140
04137
05139
06137
07136
08136
09137
10140
11140
12137
13140
14135
15132
16139
17147
18138
19136
20140
21143
22138
23133
24138
25133
26130
27135
28138
29139
30140