1. Ground-Based Global Navigation Satellite System Observation Summary Data (30-second sampling, daily files) from NASA CDDIS
  2. temporal
  3. 1997
  4. 09
DayFile Count
01121
02122
03124
04132
05133
06259
07260
08264
09139
10132
11131
12131
13128
14133
15136
16139
17132
18137
19135
20135
21135
22139
23130
24128
25136
26140
27139
28130
29132
30133