Period { s ) 

 to.o 



ili.ilh.iiiL. JiijyiilL- li iiLnirf ImLJlti Ji, 



0.06 



O.IO 0.14 



Frequency ( Hz ) 



a. 18 



Figure E-4. Significant wave height 105.3 centimeters (3.5 feet), 

 21 April 1970, 0028 hours. 



83 



