During the last 20 years, Mr Rørbæk has been working with various aspects of hydrographic data acquisition and transmission systems in Denmark and abroad. Mr Rørbæk has extensive knowledge and experience in design, tendering, procurement and implementation of hydrographic surveys based on a wide range of gauging equipment and he is broadly experienced in integrated survey and monitoring systems. He holds extensive knowledge of GPS technology and geodesy and is specialised in theory and applications of Acoustic Doppler Current Profilers (ADCP) as well as in telemetry systems. During the execution of projects all over the world, Mr Rørbæk has gained an extensive experience in executing hydraulic investigations in desolated and inaccessible areas and in many foreign cultures.