Argo    537.63334    230.13891 5904339 348     aoml  R5904339_348.nc 
Argo    212.13048    407.91204 5905434 075    csiro  R5905434_075.nc 
Argo    105.16996    492.78599 5905665 107     aoml  R5905665_107.nc 
Argo    265.42882    544.45563 5906645 039    csiro  R5906645_039.nc