1. Ground-Based Global Navigation Satellite System Observation Summary Data (30-second sampling, daily files) from NASA CDDIS
  2. temporal
  3. 1999
  4. 07
DayFile Count
01184
02191
03187
04184
05188
06181
07173
08186
09188
10187
11184
12190
13186
14192
15187
16189
17189
18193
19195
20190
21187
22189
23188
24185
25184
26185
27180
28188
29185
30189
31183