Argo    619.33917    253.35303 5900850 174    csiro  D5900850_174.nc 
Argo    261.35437     48.19633 5901159 137    csiro  D5901159_137.nc 
Argo    239.54953     97.28609 5901323 126     aoml  D5901323_126.nc 
Argo     44.91909    632.61194 5901665 053    csiro  D5901665_053.nc