5 Questions
Which acronym does SONAR stand for?
Sound Navigation and Ranging
Who discovered the technique of echo sounding?
Alexander Behm
What is the purpose of an echo sounder?
To determine the depth of water
When was echo sounding patented?
1913
What is the equation to calculate velocity?
Velocity = distance * time
Test your knowledge about echo sounders and their history in this quiz. Learn about how echo sounders work and their significance in determining water depth.
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