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13 December 2018 Developing a method for local correction of monthly average ionospheric model for current situation: basing on data from single-frequency GNSS receivers
E. V. Konetskaya, V. I. Sazhin, A. S. Timofeev, V. E. Unuchkov
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Proceedings Volume 10833, 24th International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics; 108339L (2018) https://doi.org/10.1117/12.2504281
Event: XXIV International Symposium, Atmospheric and Ocean Optics, Atmospheric Physics, 2018, Tomsk, Russian Federation
Abstract
We develop an approach that uses simultaneous measurements of pseudo-distances from two GNSS navigation satellites made with a single-frequency receiver for an hour period to perform local correction of an ionospheric background model for current situation. Within the analytical component of a single-layer ionospheric model, we conduct a comparative analysis of the degree of influence of variations in the basic parameters of vertical electron density profile on pseudo-distance variations. We have established that critical frequency variations make the most significant contribution. Also important, however, is the consideration of electron density variations at heights well above the maximum. We present principles of the proposed correction method.
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E. V. Konetskaya, V. I. Sazhin, A. S. Timofeev, and V. E. Unuchkov "Developing a method for local correction of monthly average ionospheric model for current situation: basing on data from single-frequency GNSS receivers", Proc. SPIE 10833, 24th International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics, 108339L (13 December 2018); https://doi.org/10.1117/12.2504281
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KEYWORDS
Data modeling
Receivers
Satellite navigation systems
Satellites
Navigation systems
Radio propagation
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