Argo    637.23987     60.18719 5902258 188     aoml  R5902258_188.nc 
Argo    226.31824     87.50031 5902348 022     aoml  R5902348_022.nc 
Argo    544.61603    187.87053 5904241 069    csiro  D5904241_069.nc 
Argo    259.76373    109.92570 5904422 019     aoml  R5904422_019.nc