reinit
*open station descriptor file
open st.&0.ctl
*open grided template descriptor file
open grd.&0.ctl
set lon 20.5 119.5
set lat 40.5 60.5
set gxout fwrite
set t 1 73
d oacres(&0.2,&0)
*&0 is w20, w100, s20, s100, wr, sr