- 126 



UNIVERSITY OF DELAWARE 

 DEPARTMENT OF CIVIL ENGINEERING 

 DPG DIRECTIONAL WAVE MONITOR / FRF, DUCK, N.C. 



DEV 



YR 



MO 



DAY 



TIME 



111 



82 



6 



11 



7 



121 



82 



6 



1 1 



7 



141 



82 



6 



11 



7 



4096 POINTS ANALYZED AT .50 SECOND SAMPLING 

 8 BANDS BLOCK AVERAGED 



GAGE NUMBER 2 

 8 LOW truncations; 



6 HIGH truncations 



Mean= 2.299 S.Dev= 0.09652 Lower Limits 2.010 Upper Lim1t= 2.589 



GAGE NUMBER 3 

 LOW truncations; 8 HIGH truncations 

 Mean= 2.039 S.Dev= 0.19138 Lower Limit= 1.465 Upper L1ni1t= 2.613 



GAGE NUMBER 5 

 LOW truncations; 1 HIGH truncations 

 Mean= 2.364 S.Dev= 0.03900 Lower Limit= 2.247 Upper Limit= 2.481 



TIDE LEVEL IS 0.824 FEET. 



POSSIBLE INSTRUMENT TILT (deg) 



DP2 DPS 

 -0.061 -3.365 



Significant Wave Height (ABS gage) = 4.32 feet. 

 Effective period = 7.817 seconds. 



Maximum Energy located at bands: 



11.070 exceeds average energy by 

 10.189 exceeds average energy by 

 12.118 exceeds average energy by 

 13.386 exceeds average energy by 

 8 . 790 exceeds average energy by 

 8.225 exceeds average energy by 



Compass heading from which waves propogate 



Band 1 1 .070 sees : 

 Band 10. 189 sees : 

 Band 12 . 118 sees : 

 Band 13.385 sees: 

 8.790 sees: 

 8.225 sees: 



Band 

 Band 



Greatest Energy at 

 Greatest Energy at 

 Greatest Energy at 

 Greatest Energy at 

 Greatest Energy at 

 Greatest Energy at 



715 



.OO % 



266 



.13 % 



194 



. 16 % 



159 



.03 % 



115 



.97 % 



108 



.46 % 



! 



73. 



deg 



71 . 



deg 



67. 



deg 



69. 



deg 



69. 



deg 



75. 



deg 



FIGURE VI-6: DPG analysis results using the full record 

 length of 17 minutes with effect.ive 2 hertz sampling. 



