dset ^r2-hgt25.sfc index ^r2-hgt25.sfc.idx undef 9.999E+20 title r2-hgt25.sfc * produced by grib2ctl v0.9.12.5p32u dtype grib 2 options yrev ydef 73 linear -90.000000 2.5 xdef 144 linear 0.000000 2.500000 tdef 1 linear 00Z01nov2002 1mo zdef 1 linear 1 1 vars 1 HGTsfc 0 7,1, 0 ** surface Geopotential height [gpm] ENDVARS