Argo    538.39739    372.92919 5904631 256     aoml  R5904631_256.nc
Argo    586.79435    219.68027 5905173 223    csiro  R5905173_223.nc
Argo    591.18193     44.73874 5905438 114    csiro  R5905438_114.nc
Argo    424.32032    171.73996 5906638 053    csiro  R5906638_053.nc