o On CO] PW DN = 
NY NY NIN @ &@ @ ale |= 2 =a | oe 
WON |]=/0 O86 On OI fF WN || 
Peterson 
TABLE 1. ACOUSTIC INCEPTION ON HEADFORMS 
(V = 9.1 meters per second; Acoustic event rate = 1 per second) 
HEADFORM COATED ey 
DELRIN 
DELRIN 
DELRIN 
DELRIN 
DELRIN 
DELRIN 
DELRIN 
DELRIN 
DELRIN 
DELRIN 
DELRIN 
NO 
YES 
YES 
YES 
YES 
149 
149 
220 
49 
145 
159 
166 
88 
162 
21 
44 
152 
81 
91 
42 
34 
1160 
REMARKS 
NEW TUNNEL WATER 
SAME TUNNEL WATER AS RUN 1 
SAME TUNNEL WATER AS RUN 1 
SAME TUNNEL WATER AS RUN 1 
SAME TUNNEL WATER AS RUN 1 
NEW TUNNEL WATER 
NEW TUNNEL WATER 
SAME TUNNEL WATER AS RUN 7 
NEW TUNNEL WATER 
SAME TUNNEL WATER AS RUN 9 
SAME TUNNEL WATER AS RUN 9 
NEW TUNNEL WATER 
NEW TUNNEL WATER 
SAME TUNNEL WATER AS RUN 13 
SAME TUNNEL WATER AS RUN 13 
NEW TUNNEL WATER 
SAME TUNNEL WATER AS RUN 15 
SAME TUNNEL WATER AS RUN 15 
SAME TUNNEL WATER AS RUN 15 
SAME TUNNEL WATER AS RUN 15 
SAME TUNNEL WATER AS RUN 15 
SAME TUNNEL WATER AS RUN 15 
SAME TUNNEL WATER AS RUN 15 
