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17 October 2023 Differential correction of ionospheric delay of GNSS signals in single-frequency measurements
D. A. Karavatsky, S. N. Kolesnik, M. E. Moskvitin, V. I. Sazhin
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Proceedings Volume 12780, 29th International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics; 127807F (2023) https://doi.org/10.1117/12.2690780
Event: XXIX International Symposium "Atmospheric and Ocean Optics, Atmospheric Physics", 2023, Moscow, Russian Federation
Abstract
We describe a method for differential correction of ionospheric delay of GNSS signals in single-frequency measurements. The method involves refining the ionospheric error in measuring pseudoranges for remote receivers, using data obtained by a reference receiver. For specific locations of a receiver and ionospheric pierce points of NS signal propagation paths to it, in the epignosis mode we assess the effectiveness of the method considered. We set the critical frequency data to adjust the ionospheric model for the current situation, using vertical sounding data.
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D. A. Karavatsky, S. N. Kolesnik, M. E. Moskvitin, and V. I. Sazhin "Differential correction of ionospheric delay of GNSS signals in single-frequency measurements", Proc. SPIE 12780, 29th International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics, 127807F (17 October 2023); https://doi.org/10.1117/12.2690780
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KEYWORDS
Data modeling
Satellite navigation systems
Satellites
Global Positioning System
Data processing
Error analysis
Systems modeling
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