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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.
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Data
Geodetic
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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
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2023 New Zealand Geospatial Industry Profile Survey
The purpose of the 2023 New Zealand Geospatial Industry Profile Survey was to gain demographic and employment information about the geospatial industry in New Zealand.
Resource
Geodetic
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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.
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Geodetic
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Geoid transformation grids
Geoid transformation grids are used to convert heights between coordinate systems, such from the historic Local Vertical Datums (LVD) to New Zealand Geodetic Datum 2000 (NZGD2000). This page includes links to geoid transformation grids used in New Zealand.
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Geodetic
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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.
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Geodetic
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Warkworth Observatory Local Tie Survey - 2019
The purpose of the survey was to determine the relationship between the permanent GNSS CORS site (WARK 50243M001), the invariant reference points (IVP) of the 12 metre (7377 50243S001) and 30 metre (7391 50243S002), radio telescopes capable of Very Long Baseline Interferometry (VLBI) observations.
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Geodetic
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New Zealand GIS and geospatial groups and networks
The following links and summary information for New Zealand GIS/Geospatial related groups and networks are to help people (especially young people entering the geospatial industry and people new to the country) connect with relevant groups and networks.
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Geodetic
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Information related to specific NZVD2016 marks in the Geodetic Database
The request relates to specific information about NZVD2016 Cadastral Vertical Control Marks and evidence to indicate how values attributed to these were derived.
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Geodetic
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GrowGISNZ GeoBites
A series of short, online technical demonstrations for New Zealand geospatial practitioners focussing on New Zealand-specific workflows and data needs.
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Geodetic
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Survey mark protection
New Zealand’s survey marks are crucial for defining property boundaries and supporting construction projects. Toitū Te Whenua oversees these marks, and it's important to protect them from damage.
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Geodetic
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Christina McCabe - Geospatial careers profile
Christina is a BSc Environmental Science & Geography student via distance learning at Massey University.
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Geodetic
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Cait Giles – Geospatial careers profile
Cait is a GIS Analyst (Historian specialist role) at Te Arawhiti – The Office for Māori Crown Relations.
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Geodetic
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Cheng Ho Pan (Ben Cheng) - Geospatial careers profile
Ben is a Location Data Analyst at Land Information New Zealand.
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Geodetic
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Geospatial Capability Committee
Vision, goals and membership details of the Geospatial Capability Committee (GCC).
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Geodetic
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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
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Geodetic
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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.
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Geodetic
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Ross Sea Region Geodetic Datum 2000 - LINZG25701
This fact sheet describes the Ross Sea Region Geodetic Datum 2000 (RSRGD2000).
Resource
Geodetic
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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
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Geodetic
Geodesy is the science of measuring and understanding the Earth’s shape, orientation and gravity field. Toitū Te Whenua provides products and services used to measure and understand Aotearoa New Zealand’s dynamic environment.
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Geodetic system
Specifications and standards used by geodetic service contractors to enhance and maintain New Zealand's geodetic network.
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Geodetic workshops
Selected workshops hosted by Toitū Te Whenua, relating to geodesy in New Zealand.
Guidance
Geodetic
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Geospatial for schools
Understanding the value of location and how the use of location information can benefit the world and the people in it needs to start at an early age.
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Geodetic
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Studying GIS
Are your studies getting you to the right place? Add the location factor to your qualification!
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Geodetic
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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)
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Geodetic
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Modernising height data
The New Zealand Vertical Datum 2016 provides a nationally consistent height reference surface. This is an important tool for planning, consenting, and infrastructure works.
Guidance
Geodetic
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New Zealand Vertical Datum 2016 (NZVD2016)
New Zealand Vertical Datum 2016 (NZVD2016) is the official vertical datum. It is used to define heights in New Zealand and its offshore islands.
Guidance
Geodetic
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Geodetic technical and commissioned reports
Geodetic technical reports commissioned by or produced for Toitū Te Whenua.
Guidance
Geodetic
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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.
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Local mean sea level datums (LVDs)
Many heights around New Zealand have been referenced to a local sea level, or local vertical datum (LVD). In the past this was the most practical method of determining a height reference point, but more robust height references are now available to replace these.
Guidance
Geodetic
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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
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Coordinate and height accuracy
In New Zealand the accuracy of coordinates and heights is classified using a system of orders. These indicate the expected accuracy of specific components so users can assess the reliability of their geospatial data.
Guidance
Geodetic
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