=======================================
seisfile      =COSY_B/cosy50_180
modelfile     =COSY_MODEL50/cosy180_50_1200_6000.b
recfile       =COSY/rec_cosy
time          =4100.
nop           =8
stab          =.75
izfree        =8                           ! izfree >= nop/2+1
Model -----------------------
model_type    =3
vs0           =2000.
rho0          =2000.
Source ----------------------
source_type   =1
sdepth        =100000.
aa            =0.
it0           =100
Receivers------------------------------
izrec         =8
JUNK------------------------------
icheck        =5
isnap         =0
iout          =4
iflush        =500
