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    Transfer of vertical geodetic control using only one GPS receiver: a case study.

    146576_146576.pdf (66.86Kb)
    Access Status
    Open access
    Authors
    Featherstone, Will
    Dent, V.
    Date
    2002
    Type
    Journal Article
    
    Metadata
    Show full item record
    Citation
    Featherstone, Will and Dent, Vic. 2002. Transfer of vertical geodetic control using only one GPS receiver: a case study. The Australian Surveyor. 47 (1): pp. 31-37.
    Source Title
    The Australian Surveyor
    ISSN
    00050326
    Faculty
    Department of Spatial Sciences
    Faculty of Science and Engineering
    WA School of Mines
    Remarks

    Merged with: Cartographer to form: Journal of spatial science.

    URI
    http://hdl.handle.net/20.500.11937/46214
    Collection
    • Curtin Research Publications
    Abstract

    Normally, the precise transfer of vertical geodetic control by GPS requires two receivers operating simultaneously in carrier-phase mode. This paper describes the transfer of vertical control into areas that have sparse existing geodetic control using only a single GPS receiver. The GPS data were processed using the Australian Surveying and Land Information Group's (AUSLIG's) AUSPOS on-line GPS processing facility (www.auslig.gov.au/geodesy/sgc/ wwwgps/wwwgps.htm). These GPS-estimated ellipsoidal heights were transformed to the Australian Height Datum (AHD) using AUSGeoid98. In the case study area of Western Australia, a small bias had to be applied to account for the absolute difference between AUSGeoid98 and the AHD before the detailed spirit-levelling traverses, tied to these single-GPS-derived heights, were integrated with a digital elevation model.

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