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Knudsen Engineering Limited specializes in the design and manufacture of high performance digital echo sounders and echosounders for marine applications.
320BP  320M  Chirp 3200  correletion processing  deep water survey  Dredge Survey  EchoControl  PostSurvey  Sounder 1600  SounderSuite  Survey Echosounder 
www.knudsenengineering.com - 2009-02-07
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PRO Surveys provide high quality hydrographic and land survey information for a wide variety of marine-related tasks, covering ports, harbours, rivers and ...
automatic tide gauges  depth data  depth information  depth observations  depth surveys  polartrack  prosurveys  pro surveys  tidal observations 
www.prosurveys.com - 2009-02-04
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hydrographic
bathymetry
acoustic
bathymetric
hydrophones
boats
boating
gps
multibeam
gis
boat
echosounders
marine
instrumentation
garmin
navigation
survey
hydrophone
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