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Ground-Based Global Navigation Satellite System (GNSS) Observation Data (30-second sampling, daily, 24 hour files) from NASA CDDIS
temporal
2009
Month
File Count
01
12308
02
11094
03
12637
04
12030
05
12592
06
12114
07
12571
08
12550
09
11884
10
12400
11
12113
12
12475