1. Ground-Based Global Navigation Satellite System Observation Summary Data (30-second sampling, daily files) from NASA CDDIS
  2. temporal
  3. 1999
  4. 11
DayFile Count
01182
02181
03181
04186
05181
06179
07178
08183
09175
10184
11180
12189
13184
14182
15181
16189
17187
18182
19186
20174
21172
22188
23181
24175
25176
26177
27175
28169
29179
30182