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Southern Positioning Augmentation Network (SouthPAN) – Progress report May 2023
This report updated Cabinet in May 2023 on the progress of Toitū Te Whenua and Geoscience Australia’s joint SouthPAN satellite initiative to improve the accuracy of global positioning signals in Australia and New Zealand.
Resource
Data
Geodetic
Southern Positioning Augmentation Network (SouthPAN) - Progress report November 2022
This report updated Cabinet in November 2022 on the progress of SouthPAN, Toitū Te Whenua and Geoscience Australia’s joint initiative to improve the accuracy of global positioning signals in Australia and New Zealand.
Resource
Data
Geodetic
How SouthPAN works
The technology behind SouthPAN uses a network of ground stations to calculate and correct errors in GNSS signals to improve the accuracy of satellite positioning and navigation systems.
Page
Geodetic
Standard for tiers, classes, and orders of LINZ data - LINZS25006
The purpose of this standard is to ensure that the geospatial accuracy framework (LINZS25005) is consistently applied across LINZ cadastral survey and control system datasets
Resource
Geodetic
New Zealand Geodetic Datum 2000 Projections - LINZG25702
This fact sheet supersedes LINZG25702 Fact sheet - New Zealand Geodetic Datum 2000 Projections which was published in November 2007.
Resource
Geodetic
Ross Sea Region Geodetic Datum 2000 - LINZG25701
This fact sheet describes the Ross Sea Region Geodetic Datum 2000 (RSRGD2000).
Resource
Geodetic
Standard for Ross Sea Region Geodetic Datum 2000 - LINZS25001
The purpose of this standard is to both define the Ross Sea Region Geodetic Datum 2000 and detail the parameters that define it.
Resource
Geodetic
GrowGISNZ GeoBites
A series of short, online technical demonstrations for New Zealand geospatial practitioners focussing on New Zealand-specific workflows and data needs.
Page
Geodetic
Christina McCabe - Geospatial careers profile
Christina is a BSc Environmental Science & Geography student via distance learning at Massey University.
Page
Geodetic
Cait Giles – Geospatial careers profile
Cait is a GIS Analyst (Historian specialist role) at Te Arawhiti – The Office for Māori Crown Relations.
Page
Geodetic
Cheng Ho Pan (Ben Cheng) - Geospatial careers profile
Ben is a Location Data Analyst at Land Information New Zealand.
Page
Geodetic
Toitū Te Whenua Tertiary GIS Scholarships
After successful annual calls for applications since 2018, Toitū Te Whenua Land Information New Zealand is again calling for applications for external Tertiary GIS Scholarships – this time for the 2023 academic year.
Page
Geodetic
Studying GIS
Are your studies getting you to the right place? Add the location factor to your qualification!
Page
Geodetic
National Height Network
The NHN ensures that important precise levelling control marks are retained and that geometric heights are determined for new control marks when they are established. This enables users to connect their datasets to the official geodetic datum.
Page
Geodetic
Changes to Height Orders
The Orders of normal-orthometric heights have been updated to reflect the accuracy definitions in the LINZS25005 and LINZS25006 standards.
Guidance
Geodetic
Online coordinate converter
The New Zealand Coordinate Conversions form can be used to convert coordinates between datums, projections and height coordinate systems used in New Zealand.
Page
Geodetic
Recommended transformation parameters from WGS84 to NZGD49
This report compares currently available transformation parameters for converting between NZGD49 (New Zealand Geodetic Datum 1949) and WGS84 (World Geodetic System 1984) coordinates.
Resource
Geodetic
Development of Transformation Parameters from NZGD49 to NZGD2000
With the establishment of a new datum comes a need to transform coordinates from one datum to the other as only a small number of marks have been surveyed in terms of both datums.
Resource
Geodetic
Darfield Earthquake Geodetic Investigations
The 4 September 2010 Darfield (Canterbury) earthquake resulted in up to 5 metres of lateral slip along the previously unknown Greendale Fault (Figure 1) and associated ground surface displacements of up to about 2.5 metres within the surrounding region (…
Resource
Geodetic
Specifications for Geodetic Physical Network
These specifications relate to the provision of geodetic control maintenance to support the geodetic programme as required by the Cadastral Survey Act 2002 sec 7(1)(a) and (b).
Resource
Geodetic
An Assessment of New Zealand's Height Systems and Options for a Future Height Datum
This report examines height datum technologies and also looks at current international practice with respect to height datum issues. It presents some wider user perspectives before looking more specifically at the physical characteristics of New Zealand…
Resource
Geodetic
Of capital importance: assessing the value of the New Zealand geodetic system
This report is the response to a brief from Land Information New Zealand (LINZ) to establish the economic foundation for funding a modern geodetic system for New Zealand.
Resource
Geodetic
Specifications for the Protection of Survey Marks – Reinstating or Replacing Marks
This specification details the requirements for the reinstatement or replacement of marks identified as needing protection.
Resource
Geodetic
Alan Scandrett - Geospatial careers profile
Alan Scandrett is a Geography Honours student focussing on GIS at the University of Auckland (Summer Intern – Watercare 2017/18, LINZ 2016/17)
Page
Geodetic
KML Service
Geodetic mark information is available in KML format. This enables geodetic data to be viewed spatially in 3D visualisation software such as Google Earth.
Page
Geodetic
Survey mark protection
There are thousands of survey marks in New Zealand. Many are below the ground so most of us never see them. Survey marks help in the surveying of property boundaries, as well as engineering, roading, mapping and measuring the position of land, sea and…
Page
Geodetic
New Zealand Transverse Mercator 2000 (NZTM2000)
New Zealand Transverse Mercator 2000 (NZTM2000) is the projection used for New Zealand's Topo50 1:50,000 and other small-scale mapping. It is the recommended projection for use within mainland New Zealand.
Guidance
Geodetic
Geodetic technical and commissioned reports
Geodetic technical reports commissioned by or produced for Toitū Te Whenua.
Guidance
Geodetic
Geodetic workshops
Selected workshops hosted by Toitū Te Whenua, relating to geodesy in New Zealand.
Guidance
Geodetic
Distortion grid transformations (NZGD1949 to NZGD2000)
The transformation grid method can be used to change horizontal coordinates between New Zealand Geodetic Datum 1949 (NZGD1949) and New Zealand Geodetic Datum 2000 (NZGD2000).
Guidance
Geodetic
3- and 7-parameter similarity transformations (NZGD1949 to NZGD2000)
This page lists the transformation factors that are used in the 3-parameter and 7-parameter similarity transformations between New Zealand Geodetic Datum 1949 (NZGD1949) and New Zealand Geodetic Datum 2000 (NZGD2000).
Guidance
Geodetic
New Zealand Geodetic Datum 2000 (NZGD2000)
The New Zealand Geodetic Datum 2000 (NZGD2000) is our official geodetic datum, used to define positions in New Zealand and its offshore islands.
Guidance
Geodetic
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