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Ground-Based Global Navigation Satellite System Observation Summary Data (30-second sampling, daily files) from NASA CDDIS
temporal
2021
11
Day
File Count
01
678
02
671
03
672
04
663
05
673
06
668
07
669
08
673
09
672
10
689
11
688
12
692
13
690
14
694
15
689
16
699
17
671
18
689
19
694
20
697
21
695
22
698
23
691
24
688
25
702
26
692
27
707
28
688
29
668
30
692