10 ; 



10' 



10- 



10' 



10 



SECTION G 



DEEP 



13° 



D-7 



D-8 



J I L 



.05 .10 .15 .20 .25 .30 .35 



i 1 r 



SECTION I 



DEEP 



12° 



D-9 



t I r 



D-10 



.05 .10 .15 .20 .25 .30 .35 

 FREQUENCY (CPM) 



D-ll 



D-12 



J I L 



.05 .10 .15 .20 .25 .30 .35 



D-4 



