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Ground-Based Global Navigation Satellite System Observation Summary Data (30-second sampling, daily files) from NASA CDDIS
temporal
2020
12
Day
File Count
01
666
02
661
03
654
04
677
05
660
06
657
07
663
08
654
09
658
10
664
11
659
12
658
13
672
14
668
15
671
16
671
17
668
18
672
19
669
20
666
21
663
22
663
23
663
24
674
25
663
26
666
27
661
28
660
29
649
30
497
31
84