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    Combined analysis of real-time kinematic GPS equipment and its users for height determination

    Access Status
    Fulltext not available
    Authors
    Featherstone, Will
    Stewart, Michael
    Date
    2001
    Type
    Journal Article
    
    Metadata
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    Citation
    Featherstone, Will and Stewart, Michael. 2001. Combined analysis of real-time kinematic GPS equipment and its users for height determination. Journal of Surveying Engineering. 127 (2): pp. 31-51.
    Source Title
    Journal of Surveying Engineering
    DOI
    10.1061/(ASCE)0733-9453(2001)127:2(31)
    ISSN
    07339453
    Faculty
    Department of Spatial Sciences
    Faculty of Science and Engineering
    The Western Australian School of Mines
    Remarks

    The link to the journal’s home page is: http://scitation.aip.org/suo

    Copyright © 2001 American Society of Civil Engineers

    URI
    http://hdl.handle.net/20.500.11937/35057
    Collection
    • Curtin Research Publications
    Abstract

    Ellipsoidal and Australian Height Datum heights have been determined for a 60-point control network from five base-stations by three separate users using three different makes of real-time kinematic (RTK) Global Positioning System (GPS) equipment. This was to determine whether these RTK GPS surveys (ie equipment and users combined) can meet vertical accuracy specifications for contract work with Main Roads Western Australia. A comparison of the differences between the RTK GPS ellipsoidal heights and the control indicates 51mm (95% confidence) accuracy, accounting for errors in the control network. Likewise, the difference between the RTK GPS-derived Australian Height Datum heights and the control indicates 53mm (95% confidence) accuracy. However, there was an increasing number of failed RTK GPS position solutions with increasing baseline length, which had to be omitted from the above statistics.

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