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Ground-Based Global Navigation Satellite System (GNSS) Observation Data (30-second sampling, daily, 24 hour files) from NASA CDDIS
temporal
2013
Month
File Count
01
17429
02
18548
03
23024
04
16999
05
17551
06
17426
07
18140
08
18812
09
30322
10
23799
11
29021
12
21010