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Using ionospheric corrections from the space-based augmentation systems for low earth orbiting satellites

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Abstract

For low earth orbit satellite global positioning systems (GPS) receivers, ionospheric delay corrections from space-based augmentation system (SBAS) can be considered for real-time use. Due to the different total electron contents between ground and low altitude orbits, a scaling factor is required to adjust the ionospheric corrections. After an analysis of the scale factor determination with GPS data from the NASA/DLR gravity recovery and climate experiment satellite is conducted, evaluations of WAAS, MSAS, and EGNOS ionospheric correction accuracies are performed. In terms of the ionospheric correction error in 2012, SBAS outperforms GPS broadcast with the reduction of 42 %. This SBAS ionospheric correction accuracy shows a high level of correlation with solar flux F10.7.

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Acknowledgments

This research was supported by the Space Core Technology Development Program funded by the Ministry of Science, ICT and Future Planning (NRF-2012M1A 3A3A02033484).

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Authors and Affiliations

  1. School of Aerospace and Mechanical Engineering, Korea Aerospace University, Goyang, Korea

    Jeongrae Kim

  2. Department of Aerospace Information Engineering, Konkuk University, Seoul, Korea

    Young Jae Lee

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  1. Jeongrae Kim
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  2. Young Jae Lee
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Correspondence to Jeongrae Kim.

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Kim, J., Lee, Y.J. Using ionospheric corrections from the space-based augmentation systems for low earth orbiting satellites. GPS Solut 19, 423–431 (2015). https://doi.org/10.1007/s10291-014-0402-8

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  • DOI: https://doi.org/10.1007/s10291-014-0402-8

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