Geodetic products and services
Our geodetic products and services enable precise positioning and seamless integration of spatial data from diverse sources across Western Australia. Furthermore they are integral part of the Australian Geospatial Reference System (AGRS), providing framework for all surveying, mapping, and positioning applications nationwide.
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Horizontal datumLearn more about horizontal datum, a reference frame or geodetic system consisting of physical marks on the ground, a database of survey observations, as well as accurate coordinates of the physical marks.
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Vertical datumLearn more about vertical datum, a reference surface of zero elevation to which heights are referred to.
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Survey mark informationLandgate maintains approximately 65,000 geodetic marks installed across Western Australia and the Christmas and Cocos (Keeling) islands, established under the Standard Survey Marks Act 1924.
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Project grids and calculationsFind custom project grids and calculation tools used for design and construction.
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Instrumentation calibrationExplore our information and tools required to calibrate EDMI, digital levelling staves and GNSS receivers.
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Standards and guidelinesImportant resources underpinning our compliance with the Intergovernmental Committee on Surveying and Mapping (ICSM) standards.
Geodetic Strategy
Landgate is responsible for the development and maintenance of geodetic infrastructure and services to support surveying, mapping and positioning in Western Australia. The Geodetic Strategy for Western Australia 2021 to 2025 sets out our strategic priorities to ensure the WA geodetic system is accurate, reliable, and relevant to its current and future users.
Geodetic Newsletter
Subscribe to our Geodetic Newsletter to stay up to date with the latest information.
For more information contact a member of the Survey team on +61 (0)8 9273 7111 or email geodesy@landgate.wa.gov.au.