1. Ground-Based Global Navigation Satellite System Observation Summary Data (30-second sampling, daily files) from NASA CDDIS
  2. temporal
  3. 1997
  4. 04
DayFile Count
01119
02118
03119
04119
05122
06121
07118
08119
09118
10119
11123
12122
13121
14119
15121
16114
17120
18122
19126
20121
21127
22124
23122
24126
25124
26123
27117
28125
29122
30120