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Ground-Based Global Navigation Satellite System (GNSS) Observation Data (30-second sampling, daily, 24 hour files) from NASA CDDIS
temporal
2021
02
Day
File Count
01
337
02
234
03
30
04
32
05
39
06
36
07
135
08
250
09
31
10
32
11
119
12
232
13
31
14
28
15
28
16
28
17
27
18
43
19
30
20
30
21
31
22
33
23
37
24
144
25
263
26
128
27
329
28
353