Hardware manual

3
3
1
1
0
0
0
0
P
P
-
-
T
T
O
O
P
P
S
S
I
I
D
D
E
E
P
P
R
R
O
O
C
C
E
E
S
S
S
S
O
O
R
R
990-0000058-1000 Rev F Page 38
5.2.3. Tow Vehicles
Table 5-1 Tow Vehicles Specifications
Tow Fish Model SB-424 SB-216S
Frequency Range 4-24 kHz 2-16kHz
Pulse Type FM FM
Pulse Bandwidth
4-24 kHz
4-20 kHz
4-16 kHz
2-15 kHz
2-12 kHz
2-10 kHz
Pulse Length 10 msec 20 msec
Calibration
Calibrated to generate a pulse
spectrum that has a Gaussian
shape
Calibrated to generate a pulse
spectrum that has a Gaussian
shape
Vertical Resolution
1
4 cm, 4-24 kHz
6 cm, 4-20kHz
8 cm, 4-16 kHz
6 cm, 2-15 kHz
8 cm, 2-12 kHz
10 cm, 2-10 kHz
Penetration (typical) Coarse
and calcareous sand
2
2 m 6 m
Penetration soft clay
2
40 m 80 m
Beam Width -3dB down
(depending on the center
frequency)
16°, 4-24 kHz
19°, 4-20 kHz
23°, 4-16 kHz
17°, 2-15 kHz
20°, 2-12 kHz
24°, 2-10 kHz