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Ground-Based Global Navigation Satellite System Observation Summary Data (30-second sampling, daily files) from NASA CDDIS
temporal
2021
03
Day
File Count
01
473
02
75
03
82
04
124
05
257
06
675
07
675
08
680
09
667
10
667
11
666
12
667
13
664
14
677
15
670
16
671
17
675
18
669
19
677
20
668
21
669
22
663
23
663
24
665
25
656
26
661
27
664
28
671
29
661
30
676
31
666