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UNIVERSITY OF DELAWARE 

 DEPARTMENT OF CIVIL ENGINEERING 

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



DEV 



YR 



MO 



DAY 



TIME 



1 1 1 



82 



6 



1 1 



7 



121 



82 



6 



1 1 



7 



141 



82 



6 



11 



7 



2048 POINTS ANALYZED AT .25 SECOND SAMPLING 

 4 BANDS BLOCK AVERAGED 



GAGE NUMBER 2 

 7 LOW truncations; 



2 HIGH truncations 



Mean= 2.299 S.Dev= 0.10032 Lower Lin)it= 1.998 Upper L1rait= 2.600 



GAGE NUMBER 3 

 O LOW truncations; 4 HIGH truncations 

 Mean= 2.037 S.Dev= 0.18856 Lower L1mit= 1.471 Upper Limits 2.603 



GAGE NUMBER 5 

 O LOW truncations; 4 HIGH truncations 

 Mean= 2 . 360 S.Dev= 0.03693 Lower Lin)it= 2.250 Upper Liniit= 2.471 



TIDE LEVEL IS 0.743 FEET. 



POSSIBLE INSTRUMENT TILT (deg) 



DP2 DP3 

 -0.065 -3.377 



Significant Wave Height (ABS gage) = 4.24 feet. 



Effective period = 7.206 seconds. 



Maximum Energy located at bands: 



11.011 exceeds average energy by 435.16 % 



12.047 exceeds average energy by 343.94 % 



8.192 exceeds average energy by 233.40 % 



10.139 exceeds average energy by 138.87 % 



9.394 exceeds average energy by 136.97 % 



6.872 exceeds average energy by 127.69 % 



Compass heading from which waves propogate 



Band 11.011 sees: Greatest Energy at 77. deg 



Band 12.047 sees: Greatest Energy at 77. deg 



Band 8.192 sees: Greatest Energy at 71. deg 



Band 10.138 sees: Greatest Energy at 81. deg 



Band 9.394 sees: Greatest Energy at 61. deg 



Band 6.872 sees: Greatest Energy at 61. deg 



FIGURE VI-7: DPG analysis results using the first 8.5 min- 

 utes of the record, (4 hertz sampling). 



