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• Geodetic publications and presentations

  We publish information that describes the implementation and use of New Zealand’s geodetic system. This information is provided to support users of geodetic data and provides background information for research purposes. This section includes geodetic…
  Guidance

  • Geodetic

• Lambert conformal conic transformations

  The mathematical parameters and equations used to convert geodetic datum coordinates to and from a Lambert conformal conic projection.
  Guidance

  • Geodetic

• New Zealand Map Grid (NZMG)

  New Zealand Map Grid (NZMG) was previously used as the projection for topographic 1:50,000 and other small-scale mapping in mainland New Zealand. New Zealand Transverse Mercator 2000 (NZTM2000) replaced NZMG in 2001 and is now the official projection used…
  Guidance

  • Geodetic

• Australasian Satellite-based Augmentation System (SBAS) test-bed trial

  Toitū Te Whenua and Geoscience Australia explored the feasibility of SouthPAN in an 18-month trial focused on 10 sectors in Australia and New Zealand. The trial confirmed the benefits, including improved GPS accuracy, improved signal integrity, and…
  Page

  • Geodetic

• SouthPAN benefits

  New Zealand and Australia have jointly confirmed the feasibility of SouthPAN. Between 2017 and 2019, a trial established that SouthPAN improved GPS accuracy, improved signal integrity, and reduced commercial costs.
  Page

  • Geodetic

• SouthPAN Early Open Services are now available

  Early Open Services are available now for applications that do not require high reliability.
  News

  • Geodetic

• New Zealand Vertical Datum 2009 - LINZG25705

  This factsheet describes the New Zealand Vertical Datum 2009 (NZVD2009) that is based on the New Zealand Quasigeoid 2009 (NZGeoid2009).
  Resource

  • Geodetic

• Coordinate Accuracy - LINZG25706

  This fact sheet covers how LINZ describes the accuracy of coordinate data. It explains the terms network and local accuracy and shows how they have been implemented in LINZ to give coordinate accuracy classifications called orders.
  Resource

  • Geodetic

• Datum and Projection Transformations - LINZG25703

  This fact sheet explains how to convert geographic coordinates to and from the Transverse Mercator and Lambert Conformal Conic projections.
  Resource

  • Geodetic

• Geospatial capability

  Every day, people use location information to make important decisions. Demand for people with geospatial capabilities is growing both in New Zealand and overseas.
  Page

  • Geodetic

• A Proposal for Geodetic Datum Development

  This document is issued by the Office of Surveyor-General to document proposals for geodetic datum development.
  Resource

  • Geodetic

• Proposal for Datum 2000 Meridional Circuits

  This document is issued by the Office of the Surveyor-General to: document proposals for development of NZGD2000 meridional circuits; obtain approval for the implementation of NZGD2000 meridional circuits.
  Resource

  • Geodetic

• A Proposal for Vertical Datum Development in New Zealand

  This report looks at the options for vertical datum development in New Zealand.
  Resource

  • Geodetic

• New Zealand Geodetic Operations 1995-98

  This report has been compiled by the Surveyor-General, Land Information New Zealand, on behalf of the Geosciences Standing Committee of the Royal Society of New Zealand for the General Assembly of the International Union of Geodesy and Geophysics,…
  Resource

  • Geodetic

• Transformation Parameters from Chatham Islands 1979 to NZGD2000

  Land Information New Zealand has implemented a new national geodetic datum, New Zealand Geodetic Datum 2000 (NZGD2000). NZGD2000 replaces Chatham Islands 1979 datum and New Zealand Geodetic Datum 1949 (NZGD49).
  Resource

  • Geodetic

• Realisation of Ross Sea Region Geodetic Datum 2000

  In November 2000 a new datum, Ross Sea Region Geodetic Datum 2000 (RSRGD2000) was realised for the Ross Island area of the Ross Sea Region of Antarctica. This report details the parameters for, and realisation of, RSRGD2000.
  Resource

  • Geodetic

• Investigations in support of PositioNZonLine

  With the planned release of the PositioNZ-PP on-line GPS procession tool, LINZ requires updated models to predict forward the position of each of the continuous GPS reference stations of the PositioNZ network and transformation parameters between NZGD2000…
  Resource

  • Geodetic

• Guidelines for CORS Data Supply

  This guideline outlines the technical requirements for supply of GNSS Continuously Operating Reference Stations (CORS) metadata and RINEX (Receiver Independent Exchange Format) data files to Toitū Te Whenua.
  Resource

  • Data
  • Geodetic

• SNAP Guidelines for GNSS Geodetic Control – CSV files

  This guideline provides instructions for the use of CSV (Comma-separated values) in SNAP (Survey Network Adjustment Package). SNAP is a suite of programs for adjusting the coordinates in a survey network to best fit the observed data.
  Resource

  • Geodetic

• Specifications for Geodetic Contract Deliverables

  This specification is an extract of the sections titled ‘Contract Deliverables’ from the Specifications for Geodetic Physical Network Version 1.13 published in November 2006 and Specifications for Geodetic Control Survey Version 1.3 published in November…
  Resource

  • Geodetic

• Instructions for carrying out online height conversions

  How to transform heights between vertical datums.
  Guidance

  • Geodetic

• Geospatial career profiles

  Check out profiles of people who have moved from overseas to work in the geospatial industry in New Zealand
  Page

  • Geodetic

• New SouthPAN satellite service announced

  A new satellite service for the Southern Positioning Augmentation Network (SouthPAN) has been confirmed, with services to be broadcast from a new Inmarsat I-8 satellite from 2027.
  News

  • Geodetic

• Applications for SouthPAN

  Wherever industry relies on accurate positioning information, SouthPAN will make a difference. It will support innovation in sectors as diverse as primary production, transport, construction, forestry and aviation.
  Page

  • Geodetic

• Compatibility and configuration

  Signals from SouthPAN L1 SBAS can be tracked and processed by many GNSS receivers compatible with WAAS, EGNOS and other SBAS.
  Page

  • Geodetic

• Service definition

  GNSS equipment manufacturers, solution providers and end users should use the SouthPAN service definition documents to implement the early Open Services from SouthPAN on their devices.
  Page

  • Geodetic

• Connect to the PositioNZ Real Time service

  This page provides information required to connect to the PositioNZ Real Time Service. Access to the network is free, but users need to register.
  Page

  • Geodetic

• Geodetic survey control network

  As a consequence of the earthquakes across Canterbury since 2010, geodetic control marks and cadastral marks throughout the region have been subject to varying amounts of movement. Updated Landonline spatial data is available.
  Guidance

  • Survey
  • Geodetic

• PositioNZ - Real Time Service

  The Toitū Te Whenua PositioNZ Real Time Service (PositioNZ-RT) streams GNSS (including GPS and GLONASS) data in real time. This free service allows users of real-time GNSS equipment to obtain positions in terms of New Zealand Geodetic Datum 2000 (NZGD2000…
  Page

  • Geodetic

• Trish Merz – Representation Planning Manager at ANZ bank

  Profile - Trish Merz
  Page

  • Geodetic

• South Island coordinate update

  Landonline has now been updated to reflect the movements that occurred in the four major Christchurch earthquakes and four major Fiordland earthquakes since 2000.
  Guidance

  • Survey
  • Geodetic

• Taipuni Ruakere - Geospatial careers profile

  Taipuni is a Postgraduate Diploma in arts (Geospatial Science) student via distance learning at Massey University
  Page

  • Geodetic