variable-depth sonar meaning

  "variable-depth sonar" in a sentence
A sonar device that can be placed far below the surface, for the purpose of detecting objects or terrain at greater depths than would be possible with a surface-located sonar device.

Sonar in which the projector and receiving transducer are mounted in a watertight pod that can be lowered below a vessel to an optimum depth for minimizing thermal effects when detecting underwater targets.
  • sonar:    Noun: sonar & ...
  • depth:    Noun: depth & ...
  • in depth:    1. Extending far i ...

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