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Study of EGNOS accuracy and integrity in eastern Poland

Published online by Cambridge University Press:  20 June 2016

G. Grunwald ,
M. Bakuła  and
A. Ciećko
G. Grunwald*
Affiliation:
University of Warmia and Mazury in Olsztyn, Department of Satellite Geodesy and Navigation, Olsztyn, Poland
M. Bakuła
Affiliation:
Polish Air Force Academy in Dęblin, Aeronautics Faculty, Dęblin, Poland
A. Ciećko
Affiliation:
University of Warmia and Mazury in Olsztyn, Department of Satellite Geodesy and Navigation, Olsztyn, Poland
*
g.grunwald@kgsin.pl
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Abstract

The ionosphere is one of the main factors affecting the accuracy and integrity of satellite-based augmentation system positioning systems. This paper presents the results of a 30-day study of the accuracy and integrity of the European Geostationary Navigation Overlay Service (EGNOS) conducted at the EPOD airport belonging to the Aeroclub of Warmia and Mazury in Olsztyn, in northeastern Poland (the area until recently considered as the edge of EGNOS coverage). Analyses of the parameters characterising the accuracy and integrity of positioning were performed in three calculation variants/modes: with the original EGNOS ionospheric correction, with correction determined by means of Klobuchar algorithm, and finally with modified ionospheric coefficients developed by the CODE. Studies have shown clearly that the original EGNOS ionospheric model gives the best integrity and accuracy results allowing to use EGNOS for approach with vertical guidance procedures, while the Center for Orbit Determination in Europe and Klobuchar models could only be used for non-precision approach operations.

Keywords

SBASEGNOSSBAS integrityGNSS navigationRNAV navigation
Type
Research Article
Information
The Aeronautical Journal , Volume 120 , Issue 1230 , August 2016 , pp. 1275 - 1290
Copyright
Copyright © Royal Aeronautical Society 2016 

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