io- 



10' 



io- 



|2 _ 



10 



10 : 



io- 



10' 



io- 



10 r 



1 



1 1 1 1 1 : 



SECTION N 





SHALLOW 





20° 





\ 





^^" l " \~7~«»«u^ 



1 



D-37 ; 







i i 



i i i i =. 



SECTION o : 



A 



SHALLOW -= 



:1 



20° 



r\\ 



"E 



V\ 



<^A 1 





^O^^rv 







! 



D-38 \ 



i i 



i i i i 



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



D-39 



D-40 



.05 .10 .15 .20 .25.30 .35 

 FREQUENCY (CPM) 



D-41 



D-42 



.05.10 .15 .20 .25 .30.35 



D-9 



