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Determining of the phase centre of the real position of GPS receiver antenna

Author(s): Eva Pisoňová | Jozef Ornth | Vladimír Sedlák

Journal: Acta Montanistica Slovaca
ISSN 1335-1788

Volume: 12;
Issue: special issue 3;
Start page: 487;
Date: 2007;
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Keywords: GPS receiver | phase centre | GPS antenna | geometrical centre | real position | GPS measurement accuracy | testing

By continued improvement of measurement methods producers of GPS (Global Positioning System) apparatus will be maybe once upon a time effective to minimize a difference of the phase centre from the geometrical one, because it is probably impossible to make the GPS receiver antenna with zero eccentricity of the phase centre. In the last analysis, we do not prevent from a manufacturing error by any way in eliminate of the possible measurement errors.In the paper there is presented the measurement testing practice with aim of the phase centre real position determining of several in a market available GPS receivers in the paper. Investigation up to what standard the GPS receiver antenna phase centre variation achieves to float in an inaccuracy into GPS measurements. Testing was realized on the temporary testing baseline closely village Badín at Banská Bystrica in the Central Slovak Region. GPS receivers Locus Survey System (Ashtech), ProMark2 (Ashtech) were tested.
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