Huibert-Jan Lekkerkerk is a contributing editor for GIM International and Hydro International and author of other various publications on GNSS and hydrography. He is a part-time senior lecturer in hydrography at the Maritime Institute Willem Barentsz (Cat A) and Skilltrade (Cat B) in the Netherlands. He also works as a consultant specialized in the specification and control of projects from an information management and hydrographic perspective.


GNSS Receivers – Evolution or Revolution?

Satellite surveying… are there any industry professionals out there not using it on (almost) a daily basis? Over the last 30 years, GNSS has become the main positioning instrument for most applications, writes Huibert-Jan Lekkerkerk. Of course, there are still some exceptions where correct (r... (read more)