Argo    499.74915    298.00864 5903634 181    csiro  R5903634_181.nc 
Argo    264.06628     73.65273 5903934 141    csiro  D5903934_141.nc 
Argo    346.80521    107.48215 5904115 077     aoml  R5904115_077.nc 
Argo    294.22766    363.84216 5904117 077     aoml  R5904117_077.nc