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View information about the impact of Cyclone Gabrielle on our services.

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Geodetic system

Pūnaha ine āhuaranga nuku

Specifications and standards used by geodetic service contractors to enhance and maintain New Zealand's geodetic network.

Survey mark

Find this survey mark EDQT 
on the LINZ Geodetic Database
Image by Fiona Bennetts
Creative Commons Attribution 4.0

  • Need to do a coordinate conversion?

    Use our online coordinate convertor.

About trig stations and geodetic marks

The physical component of New Zealand's geodetic system is a network of control marks that serve as physical reference points.

Geodetic standards, specifications and publications

Read and download publications about the geodetic system and our geodetic activities.

Understanding coordinate conversions

Guidance and examples to help you with coordinate conversions.

Coordinate systems used in New Zealand

Information about the coordinate systems used in New Zealand's geodetic system.
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