1. Ground-Based Global Navigation Satellite System Observation Summary Data (30-second sampling, daily files) from NASA CDDIS
  2. temporal
  3. 2013
  4. 12
DayFile Count
01520
02528
03526
04543
05710
06689
07680
08680
09688
10705
11699
12660
13680
14679
15660
16709
17699
18677
19683
20679
21677
22723
23783
24995
251044
261048
271049
281007
29950
30637
311130