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2.6.4 Suitable tilt angle
The figure below illustrates the relationship among tilt angle, depth and detection range. Refer
to it to find out the suitable tilt angle for a given depth/detection range.
100
(200)
200
(400)
300
(600)
400
(800)
Range (m)
0°
5°
10°
15°
20(40)
40(80)
60(120)
80(160)
100(200)
200(400)
Vertical width of sonar beam
12°
21 m
100 m100 m
300 m
63 m
200 m
Depth (m)
42 m
Tilt angle and beam coverage (frequency 60 kHz, vertical beamwidth 12° at -3 dB)
Figure 2-9 Tilt angle and beam coverage