Hans Visser is a geodesist from Delft University who has been working in the field of GNSS for the past 30 years. He currently works for Fugro-Intersite BV in the Netherlands.


GNSS Improvements for Offshore Applications

Currently, there are four global navigation satellite systems (GNSS) available: GPS, Glonass, Beidou and Galileo. These satellites can be used directly, but accuracy is greatly improved when using orbit, clock and UPD correction signals. Fugro Satellite Positioning operates a worldwide network of mo... (read more)
SEAEXPLORER Underwater Glider

SEAEXPLORER Underwater Glider

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