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    Evaluations of the precision of AUSGeoid98 versus AUSGeoid93 using GPS and Australian Height Datum data

    146641_4843_AG98vAG93c.pdf (289.9Kb)
    Access Status
    Open access
    Authors
    Featherstone, Will
    Guo, Wanwu
    Date
    2001
    Type
    Journal Article
    
    Metadata
    Show full item record
    Citation
    Featherstone, Will and Guo, Wanwu. 2001. Evaluations of the precision of AUSGeoid98 versus AUSGeoid93 using GPS and Australian Height Datum data. Geomatics Research Australasia. 74: pp. 75-102.
    Source Title
    Geomatics Research Australasia
    ISSN
    13249983
    Faculty
    Department of Spatial Sciences
    Faculty of Science and Engineering
    WA School of Mines
    Remarks

    Geomantics Research Australasia has been succeeded by Journal of Spatial Science.

    URI
    http://hdl.handle.net/20.500.11937/26675
    Collection
    • Curtin Research Publications
    Abstract

    Map-based, graphical and statistical evaluations of the AUSGeoid93 and AUSGeoid98 geoid models of Australia are made using a nation-wide set of 1013 GPS-AHD control points. It is shown that AUSGeoid98 is the superior model for the transformation of GPS-derived ellipsoidal heights to the Australian Height Datum (AHD), especially in mountainous and coastal regions. These results illustrate the benefits of using additional topographic height and satellite altimeter-derived gravity data in computing AUSGeoid98, since these data were not used in the computation of AUSGeoid93.

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      AUSGeoid09 is the new Australia-wide gravimetric quasigeoid model that has been a posteriori fitted to the Australian Height Datum (AHD) so as to provide a product that is practically useful for the more direct determination ...
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