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The company began as a division of the American company Raytheon, a manufacturer of defense systems, when it launched its first echo depth sounder in 1923. In 1958 ,Raytheon was able to increase its product offering and market share through the takeover of Apelco. In 1974, Derek Fawcett, a British-born inventor and long-time sailor, founded ...
Examples of marine electronics devices to include in a network are GPS receivers, autopilots, wind instruments, depth sounders, navigation instruments, engine instruments, and nautical chart plotters. The interconnectivity among instruments in the network allows, for example, the GPS receiver to correct the course that the autopilot is steering
U.S. Marines with Dam Security Unit, Bravo Company, 4th Assault Amphibian Battalion near Haditha Dam in 2006. U.S. Marines launch a SURC in Iraq Landing ashore. The small unit riverine craft (SURC) is a rigid-hull, armed and armored patrol boat used by the U.S. Marines and U.S. Navy to maintain control of rivers and inland waterways.
The AN/SQQ-32 minehunting sonar set (MSS) is a variable-depth mine-hunting sonar system originally developed by Raytheon and Thales Underwater Systems (formerly Thomson Marconi Sonar) for the United States Navy. [1]
Echo sounding or depth sounding is the use of sonar for ranging, normally to determine the depth of water . It involves transmitting acoustic waves into water and recording the time interval between emission and return of a pulse; the resulting time of flight , along with knowledge of the speed of sound in water, allows determining the distance ...
A multibeam echosounder is a device typically used by hydrographic surveyors to determine the depth of water and the nature of the seabed. Most modern systems work by transmitting a broad acoustic fan shaped pulse from a specially designed transducer across the full swathe acrosstrack with a narrow alongtrack then forming multiple receive beams (beamforming) that are much narrower in the ...
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