Towfish 2-3
Monitor: 27-inch diagonal
2560 x 1440 resolution
16:9 aspect ratio
Operator I/O: Keyboard and mouse
2.3 Towfish
2.3.1 General
Body material: Type 316 stainless steel
Nose/tail cone material: Urethane (80 D Durometer)
Tail fin material: Hard-coat anodized 6061 aluminum
Size: 203 cm (79.9 in.) long
16.8 cm (6.6 in.) diameter
30.5 cm (24 in.) wide, including tail fins
61.0 cm (24 in.) high, including tail fins
Weight in air: 70.5 kg (155 lb)
Weight in water: 47.7 kg (105 lb)
2.3.2 Transducers
Type: Proprietary line array
Vertical beam angle: 40°
Depth limit: 500 m (1640 ft)
200 m (656 ft) with bathymetry option
2.3.3 Transmitter
Type: Toneburst
Transmission pulse: 25, 50 and 100 µsec CW; 200 µsec
2-tone; 2, 4, 8 and 16 msec chirp
2.3.4 Receiver
Type: High gain, tuned preamplifier with TVG
Noise figure: 1 dB nominal
TVG range: 80 dB