Single beam echo sounder

Single beam echosounders use one emitting and receiving “transducer”, which releases a series of energy pulses in the form of sound waves, “ensonifying” (filling with sound) a small area underneath the boat.  The time lag between the sound being emitted and its returning echo is used to calculate water depth beneath the boat. 

All material variously copyrighted by MESH project partners 2004-2010

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