Argo    193.71125    392.70818 5903624 286    csiro  R5903624_286.nc
Argo    349.99258    161.07091 5904261 176    csiro  D5904261_176.nc
Argo    184.37069    249.27336 5905388 017    csiro  R5905388_017.nc
Argo    370.81373     69.37227 5905393 012    csiro  D5905393_012.nc