NDLI: Analysis of the EGNOS quality parameters during high ionosphere activity

Content Provider	IET Digital Library
Author	Ciećko, Adam
Abstract	Today, one of the key problems of global navigation satellite systems (GNSS) positioning with single-frequency receivers is the variability of the ionospheric delay. Satellite-based augmentation systems (SBAS) could overcome this problem since they generate the real time (updated every 5 min) ionospheric delay corrections but these can be unstable during space weather disturbances. The aim of this article is to present the quality of European Geostationary Navigation Overlay Service (EGNOS) positioning during two one-week observation periods in March 2015 and September 2017, in which the last two strongest geomagnetic storms took place. In order to perform a reliable analysis, the study was conducted at four IGS stations in different geographical latitudes located near the EGNOS availability border. The analyses and graphs of important navigation parameters were made using Septentrio Post Processing SDK and PEGASUS software which were developed in accordance with relevant aviation guidelines. The results showed an improvement in the quality of positioning in 2017, which could indicate positive impact of the new EGNOS software release. Nevertheless, even with the latest software, EGNOS positioning may still be unstable during geomagnetic storms, especially in the northern and southern borders of service coverage.
Starting Page	1131
Ending Page	1139
Page Count	9
ISSN	17518784
Volume Number	13
e-ISSN	17518792
Issue Number	Issue 7, Jul (2019)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-rsn/13/7
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-rsn.2018.5571
Journal	IET Radar, Sonar & Navigation
Publisher Date	2019-03-19
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Different Geographical Latitudes EGNOS Availability Border EGNOS Positioning EGNOS Quality Parameter EGNOS Software Release European Geostationary Navigation Overlay Service Positioning Global Navigation Satellite System Global Positioning System GNSS High Ionosphere Activity IGS Stations Important Navigation Parameter Instrumentation And Technique For Aeronomy, Space Physics, And Cosmic Rays Ionospheric Delay Key Problem Magnetic Storms Magnetospheric Magnetic Storms, Substorms March 2015 One-week Observation Periods Positive Impact Radio Navigation And Direction Finding Reliable Analysis Satellite Communication System Satellite Navigation Satellite-based Augmentation System September 2017 Single-frequency Receiver Space Weather Disturbances Strongest Geomagnetic Storms Time 5.0 Min
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering

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Implementation of storm-time ionospheric forecasting algorithm using SSA–ANN model

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Analysis of the EGNOS quality parameters during high ionosphere activity

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