mbgrid -I207a.list -O207a -R-68.886955/-68.381945/-63.281695/-62.437005 -A1 -E150/150 -N -V -C3
207a.grd.cmd

mbgrid -I207b.list -O207b -R-69.119175/-68.653325/-63.865365/-63.199535 -A1 -E150/150 -N -V -C3 
207b.grd.cmd

mbgrid -I207c.list -O207c -R-69.26641/-68.88779/-64.45497/-63.79343 -A1 -E150/150 -N -V -C3 
207c.grd.cmd

mbgrid -I207d.list -O207d -R-69.553315/-69.143785/-64.848365/-64.387135 -A1 -E150/150 -N -V -C3 
207d.grd.cmd