HAW-15 TEST LAKE OREILLE 21 MAY 1980 1338 500 ft 
INTERNAL OVERPRESSURE 5 psi 
q 
$ 
MAXIMUM AMPLITUDE 
meses — MINIMUM AMPLITUDE 
MONITOR HYOROPHONE OUTPUT, d6 re 1V 
ES on an 
45 60 75 90 
Hz 
Figure A9. In-water test at $00-foot depth. maximum and minimum amplicudes. 
HAW-15 TEST LAKE PEND OREILLE 21 MAY 1980 1415 500 ft 
INTERNAL OVERPRESSURE 5 psi 
MONITOR HYDROPHONE OUTPUT, dB re 1V 
Figure A10. In-water test at 500-foot depth, at test reference time, Tp. 
33 
