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Real-time GNSS field procedures: Maximising gain and minimising pain


Janssen, V and Haasdyk, J and McElroy, S, Real-time GNSS field procedures: Maximising gain and minimising pain, Position Magazine, Intermedia Group, Australia, 57, February/March 2012, pp. 24-27. (2012) [Magazine Article]


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Copyright 2012 Intermedia Group Pty Ltd.

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Real Time Kinematic (RTK) is an established, proven and extremely popular Global Navigation Satellite System (GNSS) technique. Users may employ either a conventional radio link between base and rover, or its modern equivalent, a wireless internet connection to a Continuously Operating Reference Station (CORS). In any case, RTK is the norm in many spatial applications. Users revel in the high precision, increased productivity and hassle-free positioning offered by this ‘real-world digitising’ technique. Today’s modern user also benefits from the additional rewards provided by Network RTK (NRTK). In this article, we revisit two of the original GNSS best practice field procedures for non-mobile (static) RTK/NRTK applications. Using CORSnet-NSW and some 5 million observations in four test areas, we confirm these procedures are still valid, and continue to improve precision (or repeatability), accuracy and reliability when coupled with modern techniques. We present updated guidelines regarding occupation times and the time span between double occupations. We also show that coordinate quality (CQ) indicators provided by the GNSS rover equipment should continue to be used with caution.

Item Details

Item Type:Magazine Article
Research Division:Earth Sciences
Research Group:Geophysics
Research Field:Geodesy
Objective Division:Environmental Policy, Climate Change and Natural Hazards
Objective Group:Natural hazards
Objective Field:Natural hazards not elsewhere classified
UTAS Author:Janssen, V (Dr Volker Janssen)
ID Code:76742
Year Published:2012
Deposited By:Geography and Environmental Studies
Deposited On:2012-03-13
Last Modified:2014-06-06
Downloads:232 View Download Statistics

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