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A marine information agency that guides you to a safe and happy sea route.

Territorial Sea Control Points Guide

What is Territorial Sea Control Points?

It refers to the reference point set to determine the jurisdiction of Korea (domestic waters, territorial waters, access waters, EEZ)

National Geodetic Control Point Guide

Work Contents

Maintenance work according to the request for relocation of basic level points, waterway survey reference points, and territorial reference points used for sea depth measurement, height of marine construction, and coastline determination. I'm carrying it out.

What is National Geodetic Control Point?

When conducting a waterway survey, it is determined based on the satellite reference point and basic level plane in order to be used as a criterion for measuring the horizontal position, height, depth of water, and determining the coastline. As a reference point, it is divided into a basic level point and a waterway survey reference point.

National Geodetic Control Point

  • Hydrographic Control Point

  • Tidal Bench Mark

  • territorial base point