 &null_input
 nn    = 77
 nx    = 181
 nt    = 700
 iot0  = 1
 iot2  = 1000
 iot3  = 5000
 rwt   = 2.0d0
 cfl   = 0.5d0
 disip = 2.8d0
 time  = -2.02d0
 ID_CASE = 2
 R_left = 4.0
 R_right = 50.0
 ID_AMP = 1.0e-4
 boundary_output = F
 horizon_output = F
 it_cfl  = 10
 dt_fix = .93333333333333333e-3
 cfl_compute = F
 circ_rad    = .5d0
 qsize = 1.2d0
 do_checkpoint = F
 it_checkpoint = 4
 chkrcvr = F
/
