LIST OF FIGURES AND TABLE (Continued) 



VI-14 Block -averaged energy spectra of 

 water surface displacement and 

 water surface slope 1^1 



VI-I5 Wave crest approximately aligned 



with dP2 arm 1^2 



VI-I6 Typical portion of time series of dP2 



and dP'^ "slope" signals with the associated 



dP4-dP2 "curvature" signals 1^5 



VI-I7 Block -averaged power spectra of water 



surface displacement and curvature terms . . . 14? 



A-1 Comparison of Other Directional Estimates 



(Table) 182 



D-1 Back-filling the center sensors 19^ 



D-2 Back-filling the arm sensors 195 



