Reference Zone - General Marine GI
BRIEF INTRODUCTION TO VERTICAL DATUMS AND TIDAL LEVELS
A brief explanation of Chart Datum and tidal levels.
INTRODUCTION TO COORDINATE REFERENCE SYSTEMS
A brief introduction to Coordinate Reference Systems
COMPARISON OF SURVEYED AND CHARTED BATHYMETRY
A brief explanation of the differences between surveyed depths and those that are depicted on a nautical chart. This has been produced by the Seabed Data Centre at the UK Hydrographic Office and is published here by SeaZone Solutions.
COMBINING LAND AND SEA ELEVATION (VORF PROJECT)
Introducing the Vertical Offshore Reference Frame (VORF) project, which will provide the capability to seamlessly join land and sea surfaces across the shore, extend the knowledge of vertical datums and reference surfaces offshore and enable the transformation of height and depth between a number of vertical datums and reference surfaces.

SEAZONE ASSISTS ROUND 3 OFFSHORE WIND DEVELOPER
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SEAZONE LOOKS FOR STRATEGIC PARTNER
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SEAZONE WINS OVER CENTRAL GOVERNMENT
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SEAZONE CELEBRATES 5 YEARS OF GROWTH
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