Exail’s DriX uncrewed surface vessel (USV) recently completed a first-of-its-kind fisheries research survey to assess the impact on biomass and fish stock before, during and after wind farm construction. Equipped...

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...

Niras (Denmark) were recently tasked with the inspection of pilings in Copenhagen harbour. They chose a Tritex Multigauge 3000 Underwater Thickness Gauge for the purpose. The Multigauge 3000, supplied by...

ODIM Brooke Ocean has enhanced its ODIM MVP (Moving Vessel Profiler) technology to include a "CAST Gauge" (Computer Assisted Sound speed Technology). The CAST Gauge is a visual and numerical...

The Cygnus 2 Hands Free uses the Cygnus multiple echo technique to ensure accurate, reliable measurements without the need to remove protective coatings. Therefore inspection time and costs are reduced....

The Cygnus 3 Data Logger multiple echo thickness gauge is developed to accommodate the need for a simple yet versatile method of logging thickness measurements through coatings. The device is...

Hopes are high that marine life previously unrecorded in New Zealand will be found during the second phase of the three-vessel Ocean Survey 20/20 Bay of Islands project. The survey...

SOUTH Marine Division, specializing in hydrography and marine survey, is actually a subsidiary of SOUTH Survey Group, a leading Chinese giant manufacturer in the geo-spatial industry.  With 35 years of...

One of the fastest emerging trends in hydrographic surveying is the use of the vertical component of RTK GPS to determine real-time water level corrections. There are currently several district...