dset elev_global.bin undef 9.999E+20 title GFS half degree (0.5x0.5) elevation * produced by grib2ctl v0.9.12.5p38beta2 * dtype grib 4 options yrev ydef 361 linear -90.0 0.5 xdef 720 linear 0.0 0.5 tdef 1 linear 00Z18dec2007 3hr zdef 1 levels 1000 vars 1 HGTsfc 0 7,1,0 ** surface Geopotential height [gpm] ENDVARS