Skilltrade offers a variety of courses. To help you get started, we've made the following two options available to you free of charge:

  1. Take our Hydrography Induction course on our unique E-learning platform.
  2. Watch our mini-lectures by Huibert-Jan Lekkerkerk.

Hydrography Induction E-learning

The e-learning module Hydrography Induction is a hydrography starter course based on the introduction chapters of the Handbooks of Offshore Surveying. Those chapters are part of the course and all are available for free (after registration as a user). This Induction training can be done free of charge. Click the button below to register and start the Hydrography Induction course today!


Enter Skilltrade E-learning platform


Skilltrade | THSOA - New England Chapter

Title: Mini-Lectures (3 x 20mins)

Speaker: Huibert-Jan Lekkerkerk


Datum transformation in a changing world
To meridian convergence or not
Geoid vs ellipsoid heights vs tidal reduction