HAW-15 TEST LAKE PEND OREILLE 21 MAY 1980 18306 500 ft 
INTERNAL OVERPRESSURE 5 psi 
CALIBRATE SIGNALS—174 GB/piPa (FACILITY REFERENCE) 
et 
co 
HAW-15 LEVEL 
MONITOR HYDROPHONE OUTPUT, dB re 1V 
oe or en oe oe ee 
Pe Oe oe oe ee cy 
SS ee ane ee 
Figure Al3. In-water test at 500-foot depth, at Tp + 4h 15 min. 
-0 HAW-15 TEST LAKE PEND OREILLE 21 MAY 1980 1900 500 ft 
INTERNAL OVERPRESSURE 5 psi 
= -10 
2 
aQ 
nol 
5 
=) -20 
a 
| 
= 
fe) 
2 
(@} -30 
=I 
a 
fe) 
(va 
5: 
4 = 40 ! 
a 
fe) 
5 
3) 
i Seo tee 
-60 2 ERAT 
) 15 30 45 60 75 30 106 
Hz 
Figure Al4. In-water test at 500-foot depth, at Tp +4h45 min. 
35 
VEL ASTER TTI AE NE IOS IO ELEN MEA IGE THY SITY TDM LN TINSEL ERE ETT EATS RR ESN 
DP PATS LE CLS ST EPR IATA TS PNR EMG Si ETS HONE 
ye er ate 
2 pater men seopreirsennsane renee eine 
