Vassilopoulos and Mandel 



360 



S20 



20O 

 2AO 



200 



\eo 



\ ^ 



^V 



SHIP C ~ HEAVE 



^PHASE ANGLESj 

 ^-0.90 ^=1.20 



320 



280 



240 



\ 



200 



I60 



10 ao 30 



40 



A A 



10 ao SO -40 



y^ KNOTS 



320 

 2BO 



2AO 



200 



^/j[_= 1. 50 



10 ao 30 ^O 



y, KNOTS 



386 



