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All-Energy ’07 Promising

This year's All-Energy '07, the seventh in the annual series, will be held on 23rd and 24th May 2007 in Aberdeen (Scotland) and promises to be successful. Over 250 companies...

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ADCP Flow Surveys

Narrow tidal channels often provide challenges to shipping. Reliable charting of tidal-stream flow is important for safety. Acoustic Doppler current-profiler (ADCP) survey is now a commonplace method of charting tidal...

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Satellite Positioning

Within the last twenty years Global Positioning System (GPS) receivers have revolutionised navigation. Integrated devices are capable of providing time, position, height, direction, heave and attitude to accuracies of a...

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Challenging GNSS Vulnerability?

The reasons for GPS vulnerability due to interference are explained and reasons behind the system being designed as it is today discussed. In addition, consideration is given to why some...

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The ROV in Nearshore Site Investigation

Nearshore engineering surveys are undertaken for the purpose of gathering information pertaining to the bathymetry and morphology of the seabed, along with the geotechnical characteristics and geophysical profiles of the...

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