dset ^gmted2010.30sec.int
undef 9.999E+20
options big_endian
options yrev
xdef 43200 linear -179.99597222 0.008333333
ydef 21600 linear -89.995972222 0.008333333
tdef 1 linear 12Z28nov2006 1mo
zdef 1 linear 1 1
vars 1
orog  0 -1,40,2,-1  ** terrain height
ENDVARS