depth finder

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depth finder

An instrument used to measure the depth of water, especially by means of ultrasound.

American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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Noun

depth finder - navigational instrument used to measure the depth of a body of water (as by ultrasound or radar)

navigational instrument - an instrument used for navigating

fathometer, sonic depth finder - depth finder for determining depth of water or a submerged object by means of ultrasound waves

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Sonar" Mark O'Neill, an expert on electronic depth finders. His topic is "Getting the Most of Your Electronics to Catch More Big Fish." Guests are welcome.

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Sometimes these cooler spots show up on depth finders just like a thermocline.

Don't Fry in July

There's aviation (portable and panel-mounted gear), wearables (activity trackers and sports watches), automotive (dash cams, navigators and motorcycle electronics), marine (depth finders, plotters, autopilots, radar and VHF gear) and outdoor recreation (digital bow sights, dog containment systems, mapping products, handheld navigators and the inReach satcomm).

A CRITICAL EYE ON PRODUCT SUPPORT

The reservoir's veteran anglers annually spend thousands on boats, trailers, outboards, trolling gear, tackle and depth finders.