dset ^IGPRCT.grd
undef -999.E0
title CMA data
options big_endian
xdef  1 linear 99.5 1.0
ydef  1 linear 16.5 1.0
zdef  1 linear 1 1
tdef  8760 linear 00Z01jan1985 1hr
vars  2
var1  0 0 var
var2  0 0 var
endvars
