Argo     51.18187    263.43182 5906264 139     aoml  R5906264_139.nc 
Argo    506.03453    198.68435 6990588 013     aoml  R6990588_013.nc 

Argo     51.18187    263.43182 5906264 139     aoml  R5906264_139.nc 
Argo    506.03453    198.68435 6990588 013     aoml  R6990588_013.nc