cat C-1.0000.log C-2.0000.log C-3.0000.log C-4.0000.log C-5.0000.log C-6.0000.log C-7.0000.log > C-6036-7211.log 
suwind < 3271.su key=tracf min=1 max=1 | suximage grid1=solid key=fldr label1="TWT [s]" label2="SP" perc=95 d1num=0.05