- 128 



UNIVERSITY OF DELAWARE 

 DEPARTMENT OF CIVIL ENGINEERING 

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



DEV 



YR 



MO 



DAY 



TIME 



1 1 1 



82 



G 



1 1 



7 



121 



82 



6 



1 1 



7 



141 



82 



6 



1 1 



7 



2048 POINTS ANALYZED AT .25 SECOND SAMPLING 

 4 BANDS BLOCK AVERAGED 



GAGE NUMBER 2 

 LOW truncations; 



4 HIGH truncations 



Mean= 2.300 S.Dev= 0.09259 Lower Limit= 2.022 Upper Limit= 2.578 



GAGE NUMBER 3 

 O LOW truncations; 4 HIGH truncations 

 Mean= 2.041 S.Dev= 0.19418 Lower Limit= 1.458 Upper L1mit= 2.623 



GAGE NUMBER 5 

 O LOW truncations; HIGH truncations 

 MGan= 2.367 S.Dev= O. 04066 Lower Liniit= 2.246 Upper Limit= 2.489 



TIDE LEVEL IS 0.904 FEET. 



POSSIBLE INSTRUMENT TILT (deg) 



DP2 DP3 

 -0.058 -3.351 



Significant Wave Height (ABS gage) = 4.43 feet. 



Effective period = 8.245 seconds. 



Maximum Energy located at bands: 



11.011 exceeds average energy by 

 10.139 exceeds average energy by 

 13.299 exceeds average energy by 

 8 . 752 exceeds average energy by 

 7.699 exceeds average energy by 

 12.047 exceeds average energy by 



Compass heading from which waves propogate 



Band 11.011 sees: Greatest Energy at 



Band 10.138 sees: Greatest Energy at 



Band 13.299 sees: Greatest Energy at 



Band 8.752 sees: Greatest Energy at 



Band 7.699 sees: Greatest Energy at 



Band 12.047 sees; Greatest Energy at 



931 



.01 % 



301 



.30 % 



291 



.62 % 



199 



.04 % 



185 



.02 % 



1 18 



.44 % 



73. 



deg 



63. 



deg 



67. 



deg 



75. 



deg 



71 . 



deg 



35. 



deg 



FIGURE VI-8: DPG analysis results using the last 8.5 min- 

 utes of the record, (A hertz sampling). 



