tidal gauge calibration

A Better Method for Calibrating a Tide Gauge

When conducting a hydrographic survey, the conventional method used to calibrate a tide gauge is to use a tide pole.…

dimensional control survey

The Most Accurate Method of Dimensional Control

Conducting a dimensional control survey of survey vessels is one of the first tasks we undertake when commencing a hydrographic…

hydrographic survey target detection test

Hydrographic Survey – Target Detection Testing Process

Some of our clients request proof of the multi-beam echo sounder’s target detection performance. Senior Surveyor Dave Mundy of iXblue…

gps base station

Why Use a GPS Base Station During a Hydrographic Survey?

When conducting inshore hydrographic surveys, particularly in areas where there are steep cliffs, or where GPS coverage can be patchy,…

multi-beam patch test

A Multi Beam Patch Test – Why It’s Necessary

We conduct patch tests on our multi-beams to detect any fine misalignment between the survey sensors, allowing us to produce…

Surface Check

What is a Reference Surface Check and Why is it Needed?

During the mobilisation process, a Reference Surface Check is conducted using the multi-beam to determine if a surface has been…

sound velocity

The Three Things Which Affect Sound In Water

iXblue Senior Surveyor, Rhys Davies discusses the variables which affect how sound travels through fresh water and salt water and…

Marine Survey Pole Mount Setup

Marine Survey Pole Mount Setup

iXblue’s survey system, which includes multiple sensors, and weighs approximately 100kg, needs to be mounted correctly on each vessel. In…