- 1 

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-3 



f^lO- 



-3 



< 



o 

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o 



> 



Q 

 Z 

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UJ 



z 

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I 

 u 



u 

 o 



-J 

 dJ 

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z 

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2 



1 

 



- 1 



-2 



-3 



3 



2 



1 





 - 1 

 -2 



-3 



240 



160 



120 60 60 120 



RELATIVE PHASE IN DEGREES 



180 



240 



851 



