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Impact of High Geomagnetic Activity on Global Positioning System Satellite Signal (L-Band) Delay and Klobuchar Algorithm Performance Over Low Latitudinal Region

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Microelectronics, Electromagnetics and Telecommunications

Part of the book series: Lecture Notes in Electrical Engineering ((LNEE,volume 471))

Abstract

The Klobuchar algorithm is currently being used by the single frequency Global Positioning System (GPS) user to compute the ionospheric time delay at anywhere in the world. The aim of this paper is a preliminary assessment of Klobuchar algorithm performance by using ionospheric time delay estimated with the data provided by International Global Navigation Satellite System (GNSS) Service (IGS) network on a geomagnetic storm day of high solar activity year, 2016. This work is carried out at various IGS stations, namely PBRI, IISC, HYDE, LCK4 and LHAZ. Klobuchar model mean results agreement with experimental data is acceptable at the considered stations. This is the preliminary work done in the process of improvement of the Klobuchar algorithm for low latitude regions.

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Acknowledgements

The research work presented in this paper has been carried out under the project entitled ‘Investigation of Indian Ionosphere Irregularities Correlation with Space Weather Parameters for Navigation Applications’ funded by SAC (ISRO), NavIC-GAGAN Utilization Programme, Project ID: NGP-12, Dated: 23 January, 2017.

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Correspondence to K. C. T. Swamy .

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Swamy, K.C.T. (2018). Impact of High Geomagnetic Activity on Global Positioning System Satellite Signal (L-Band) Delay and Klobuchar Algorithm Performance Over Low Latitudinal Region. In: Anguera, J., Satapathy, S., Bhateja, V., Sunitha, K. (eds) Microelectronics, Electromagnetics and Telecommunications. Lecture Notes in Electrical Engineering, vol 471. Springer, Singapore. https://doi.org/10.1007/978-981-10-7329-8_25

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  • DOI: https://doi.org/10.1007/978-981-10-7329-8_25

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