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Variable-frequency Multibeam Echo Sounder

Teledyne Odom Hydrographic has launched the MB1 multibeam echo sounder. This 120° sonar operates on user-selectable frequencies from 170 kHz to 220 kHz. MB1 features phase and amplitude bottom detection,...

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The evolution of Dutch hydrography

Given the Netherlands’ geographical location, it is unsurprising to find it has a long tradition of hydrography. The lowland, often below sea level, forms a delta where major rivers from...

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Echo Sounder Calibration Tool

HydroBar is a hydrographic tool for calibrating survey echo sounders during field surveys. A real-time sound velocimeter is combined with a sonar target (‘bar’) and Windows-based software which can run...

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MILSpec Echo Sounder Launched

Seafloor Systems has introduced the SonarMite MILSpec Echo Sounder. The SonarMite features a field-proven survey-grade echo sounder, bluetooth technology with Windows Pocket PC devices, smart transducer design with QA output...

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Submersible Echo-sounder Retrieval

Working with NOAA's Northwest Fisheries Science Center (NWFSC), the University of Washington recently retrieved a BioSonics DTX-SUB split-beam echo-sounder after a one-month deployment in northern Admiralty Inlet, WA. The unit...

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