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Ground-Based Global Navigation Satellite System Observation Summary Data (30-second sampling, daily files) from NASA CDDIS
temporal
1993
10
Day
File Count
01
75
02
77
03
78
04
76
05
76
06
79
07
78
08
77
09
75
10
75
11
77
12
74
13
78
14
77
15
76
16
76
17
79
18
81
19
80
20
78
21
79
22
80
23
77
24
77
25
80
26
76
27
76
28
72
29
76
30
74
31
75