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Title: An echo sounder operates by measuring the time required for a ________. Post by: MrDereche on Nov 20, 2014 An echo sounder operates by measuring the time required for a ________.
A) light beam to travel from a satellite at a known altitude to the sea bottom and back B) radar beam to travel from a harbor patrol boat to a fuzz-buster on a speeding yacht C) radar beam to travel from a ship to the seafloor and back D) sound pulse travels from a ship to the seafloor and back Title: Re: An echo sounder operates by measuring the time required for a ________. Post by: Lilligant on Nov 27, 2014 The answer should be d) sound pulse travels from a ship to the seafloor and back.
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