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depth sounder

noun

  1. an instrument for determining depths under water, especially under a ship.


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Example Sentences

That is until diver Bernie Hellstrom, 63, of Boyne City, Michigan, came across to an obstruction on his depth sounder about 200 feet down to the bottom of Lake Michigan near Beaver Island about 10 years ago.

Bernie Hellstrom of Boyne City, Mich., said he was looking for shipwrecks about 10 years ago when a depth sounder on his boat noted a large obstruction about 200 feet down on the lake bottom near Beaver Island.

Paden himself helped develop the signal processing software for the radar system, which was dubbed the Multichannel Coherent Radar Depth Sounder, or MCoRDS.

He’d brought a depth sounder and a salinity meter, a long stick for testing the bay bottom.

Aboard this vessel was a fancy new depth sounder called a fathometer, which was designed to facilitate inshore maneuvers during beach landings, but Hess realized that it could equally well be used for scientific purposes and never switched it off, even when far out at sea, even in the heat of battle.

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