dset ^gmted2010.30sec.flt
undef 9.999E+20
options little_endian
options yrev
xdef 43200 linear -179.99597222 .0083333333
ydef 20880 linear -89.995972222 .0083333333
tdef 1 linear 00Z01jan1900 1mo
zdef 1 linear 1 1
vars 1
orog  0 81,1,0  ** terrain height
ENDVARS