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Wave Sensor for Echosounders

Innovation4C has presented Wavemapper, a heave sensor designed for single beam echosounders based on technology pioneered in space. Two years of development resulted in this sensor with space based algorithms....

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Navigation Sounder from SAM Electronics

Sam Electronics has introduced SAM 4620, a compact type-approved IMO-compliant navigation echosounder. It can be used in single or dual-channel mode in depths between 5 and 1,000m. Depth displays can...

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SeaBat 7125 Enhanced

RESON launches a multibeam sonar systems with dual frequency for remotely operated vehicles (ROV) down to depths of 6000 metres. With the release of the updated SeaBat 7125 dual-frequency multibeam...

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STEMA Survey Services bv

After working for eighteen years with the trailer department of a dredging company, Stef Mars started his own hydrographic survey company in 1985. Working on board of hopper trailer suction...

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Marine Geophysics & Hydrography

After completing an MSc. and course work for a PhD in Physics, he worked for the Federal Government’s Environment department as a Marine Geophysicist until 1981. In 1980 he founded...

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Nautical Depth Survey System

The Port Authorities in China want to adopt as standard in ports and harbours the navigable water depth; many ports in China have a problem with silt, liquid mud, deposited...

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Invited Reply

In common with all sciences, hydrography too is undergoing rapid change with regard to data acquisition and processing, instrumentation, application and many other aspects. Differing ideas may be found within...

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We Get ENCs… and Now What?

A historic perspective of nautical charts production in Chile over recent years is given here. The experience of the Chilean Navy’s Hydrographic and Oceanographic Service may serve other Offices encountering...

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