1. Ground-Based Global Navigation Satellite System Observation Summary Data (30-second sampling, daily files) from NASA CDDIS
  2. temporal
  3. 2001
  4. 04
DayFile Count
01213
02221
03224
04218
05220
06221
07223
08218
09224
10226
11229
12225
13226
14220
15218
16225
17221
18217
19221
20222
21220
22216
23217
24218
25226
26220
27220
28218
29215
30219