LIST OF FIGURES AND TABLES (Continued) 



VI-4 Typical influence of the steel cradle 

 upon the magnetic compasses used 

 for orientation measurements II5 



6-2 Comparison of Tide Level (Table) 121 



VI-5 Portion of time record from DPG signals. . . 122 



VI-6 DPG analysis results using the full 

 record length of 1? minutes with 

 effective 2 Hertz sampling 126 



VI-7 DPG analysis results using the first 

 8.5 minutes of the record, (4 Hertz 

 sampling 12? 



VI-8 DPG analysis results using the last 

 8.5 minutes of the record, (k Hertz 

 sampling 128 



VI-9 Block-averaged energy spectra of water 

 surface displacement for a 17 minute 

 long record and 8.5 minute long records. . . 129 



VI-10 Non-weighted directional spectra of 

 peaik energy band (ll.O seconds) for 

 a 17 minute long record and 8.5 minute 

 long records I30 



6-3 Comparison of DPG Results with FRF 



Observations (Table) . I3I 



VI-11 Photographs of GERC radar screen illustrating 



wave activity from June 8 - June 11, I982. . I32 



VI-12 Non-weighted directional spectra of the 



first two peak energy bands :ABS, dP2, and 



dP3 gauge combination and ABS , dP^I- , and 



dP3 gauge combination. Well-defined swell . I38 



VI-I3 Non-weighted directional spectra of the 



first two peak energy bands :ABS, dP2, and 



dP3 gauge combination and ABS, dP4, and 



dP3 gauge combination. Poorly-defined sea. . 139 



