dset ^hgt25.sfc index ^hgt25.idx undef 9.999E+20 title hgt25.sfc * produced by grib2ctl v0.9.12.5p32c dtype grib 2 options yrev ydef 73 linear -90.000000 2.5 xdef 144 linear 0.000000 2.500000 tdef 1 linear 00Z01jan1900 1mo zdef 1 linear 1 1 vars 1 DISTsfc 0 8,1,0 ** surface Geometric height [m] ENDVARS