MONITOR HY DROPHONE OUTPUT, GB re 1V 
MONITOR HYDROPHONE OUTPUT, dB re 1V 
-10 
HAW-15 TEST LAKE PEND OREILLE 21 MAY 1980 1200 100 ft 
INTERNAL OVERPRESSURE 5 psi 
Hz 
Figure A7. In-water test at 100-foot depth. 
HAW-15 TEST LAKEPEND OREILLE 21 MAY 1980 1234 250 ft 
INTERNAL OVERPRESSURE 5 psi 
390 
Hz 
Figure A8. In-water test at 250-foot depth. 
hs 
L ene 
100 
100 
Sua canny tmnt 
