1. Ground-Based Global Navigation Satellite System Observation Summary Data (30-second sampling, daily files) from NASA CDDIS
  2. temporal
  3. 1998
  4. 09
DayFile Count
01170
02173
03166
04167
05167
06170
07170
08167
09173
10175
11173
12169
13170
14175
15176
16173
17173
18177
19170
20172
21170
22170
23175
24172
25171
26167
27169
28175
29165
30167