grads -blc "run calcB.gs"
grads -blc "calcVTL.gs"
grads -blc "calcVTU.gs"
grads -blc "calcsize.gs"
grads -blc "run conv.gs"|grep DATA |cut -c6- > track.tmp
gfortran conv.f
 a.out
grads -blc "run phase1-smooth.gs"
grads -blc "run phase2-smooth.gs"