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S-44 and the systematic error

IHO standard S-44 is often used (or misused) to specify the quality of a hydrographic survey. While it is a useful tool, it is easy to misinterpret. One ‘misuse’ is...

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Amuse Oneself

Amuse oneself Inc., established in 2011, develops hardware and software for 3D measurements required for ICRT technology (Information, Communication and Robot Technology). Since our successful commercialization of the world’s first...

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Mapping through fluid mud

The presence of suspended sediments in water bodies presents significant challenges for the dredging industry. Existing methods to determine nautical depths are intrusive single point methods relying on in situ density or shear strength measurements1,3 or low-frequency single-beam echosounder recordings1,2. The use of single-beam echosounders is however systemically problematic as they are not practical in satisfying the CATZOC A1 coverages required for contemporary electronic navigational charting. The presence of suspended sediments in water bodies presents significant challenges for the dredging industry. Existing methods to determine nautical depths are intrusive single point methods relying on in situ...

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Hydro International #1- 2024

In a roundup of the hydrographic industry’s latest developments in multibeam echosounding technology, this issue dives into the depths of hydrographic survey data, uncovering advanced techniques and tools that are...

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The renewal of a research vessel fleet

When contemplating the replacement of a research and survey fleet, a collective effort is required to meticulously curate an optimal new fleet, considering factors such as ship type, size, capabilities...

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