ARCTIC. 
PNJIT
50 0					 source freq
10
0         0        0    0     0     0    0
0      3000     1600    0.5   1.    0.9  0
3.9    1435    -1446    0.    0.    1    0
200    1446    -1455    0.    0.    1    0    
400    1455    -1460    0.    0.    1    0
700    1460    -1465    0.    0.    1    0
1000   1465    -1470    0.    0.    1    0
1300   1470    -1475    0.    0.    1    0
1600   1475    -1481    0.    0.    1    0
2000   1481        0    0.1   0.    1.8  0
100   					 source: depth
3.91 2000  1 1 			 receiv: first dp, last dp, ir intf
1000  -1000  				 velocities for inte
4096 1 4096
0.0  40  20 10	 			 xaxis 
0 240  12 40                             transmission axcis ( for opt I)
0 2000 12 500				 YAXIS
0 240 5  				 DB-SCALE

50 30 0 0

1400 1E8
250 750

1435 1500
2048 50 2000

0.1 499.9 21
25.0 35.0 41
0 0 1

100.06 30 0 1
130.0 

25 35 20 5
0 500 12 100

1430 1490 15 20
0 2000 15 500