1. Ground-Based Global Navigation Satellite System Observation Summary Data (30-second sampling, daily files) from NASA CDDIS
  2. temporal
  3. 2000
  4. 06
DayFile Count
01214
02211
03209
04209
05214
06211
07210
08219
09212
10209
11209
12212
13212
14212
15214
16219
17215
18213
19213
20207
21210
22208
23209
24207
25211
26219
27218
28211
29217
30216