Argo     58.21157    504.82956 1900979 309     aoml  R1900979_309.nc 
Argo    502.36483    150.33865 5902506 047     aoml  R5902506_047.nc 
Argo     92.80845    296.42819 5904261 169    csiro  R5904261_169.nc 
Argo    415.26063    121.14884 5905183 046    csiro  R5905183_046.nc