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  • Official GDA2020 Forum
    • Welcome to the Official GDA2020 Forum


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  1. Landgate has committed to change its systems and update datasets to take advantage of the GDA2020 datum. This will happen in a staged approach. For the most up to date information please visit our GDA2020 page. Subscribe to this quarterly Geodetic Newsletter to stay up to date with the latest information from Landgate's Survey Services department.
  2. Today (7/6/2018) Landgate has upgraded its geodetic system (GOLA) to support both GDA2020 and GDA94 coordinates. The geodetic marks can be accessed via Map Viewer Plus by selecting ‘Geodetic’ from the Layer List. Please note Landgate continues to provide other options to access geodetic marks’ information. For example, you can download Google Earth KML zip file containing a link to all geodetic marks or access them via data.wa.gov.au.
  3. A good article from a software providers perspective on the new USA Terrestrial Reference Frames that will replace the existing plate-fixed datums in 2022 http://blog.bluemarblegeo.com/2017/09/05/north-american-terrestrial-reference-frame-2022-replacing-nad83/?aid=EMMN0917&utm_source=newsletter&utm_medium=emil&utm_campaign=september_2017&utm_content=button .