FIXED ACOUSTIC BUOY 
GASOLINE 
TANK 
Ne. 
MILLER SWIVEL « 
121 ELEMENT ARRAY 
TILT INDICATOR 
CASE 
j NON-TWIST CHAIN 
js na Sl 
ELECTRONIC SPHERE 
Figure | 
FIXED ACOUSTIC BUOY SYSTEM 
—————es 
DEEP EQUIPMENT————————> CABLE LINK +>. SHORE EQUIPMENT —| 
HY DROPHONES 
PREAMPLIFIER S. 
TO ALL CIRCUITS 
EXCEPT STEPPING 
SWITCH CIRCUITS 
CABLE DRIVER 
EB 200--5kc Bite 27 MI 
TILT PITCH ON-OFF 
TILT ROLL ON-OFF 
Figure 2 
FAB 
CHARACTERISTICS 
STEER VERTICAL MAX 
FREQUENCY (KC) 
| 
OMNI 
‘OMNI 
SYSTEM BANDWIDTH 400 CPS TO SKC 
CONTROL CHANNELS | INSTRUMENTATION 
STEER 10.5KC | CHANNELS 
RESET I1.5KC | 
STEER FEEDBACK 10.0KC | 
TILT-PITCH —11.0KC 
TILT-ROLL — 120KC 
6-8KC 
5-6KC 
S-6KC 
COMMANDS 
10, 0kc STEER-FDBK 
10,5kc STEER 
1L.O0ke TILT PITCH 
11. 5kc RESET 
12.0ke TILT-ROLL 
CABLE DRIVER 
TO STEPPING 
SWITCH CIRCUITS 
-28 V 
OF CABLE 
ACOUSTIC 
DATA 
INSTRUMENTATION 
DATA 
NORMAL 
as 
