Subbottom roughness. Point source. . Goff-J. auto.
B N O s g f 
500 0
5
  0.    1500      0     0     0     1      0       0
  0.    1500      0     0     0     1      0       0
128.    1470      0     0.01  0.00  1.650  0       0.0 
128.1   1470      0.0   0.01  0.00  1.650  0.0     0.0 
178.00  2300   0000.00  0.50  0.00  2.650 -1.0000  3.0 2.5	

128.
77. 127. 51

1200 1E8
-1 1 1  0
4096 450 550 0.0003 0 0.2 2