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Ground-Based Global Navigation Satellite System (GNSS) Observation Data (30-second sampling, daily, 24 hour files) from NASA CDDIS
temporal
1992
Month
File Count
01
888
02
863
03
1004
04
1006
05
1187
06
1278
07
1824
08
1781
09
1583
10
1563
11
1535
12
1442