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Impact of ionosphere changes on GNSS signals reception
Navrátilová, Karolína ; Šplíchal, Miroslav (referee) ; Vosecký, Slavomír (advisor)
This thesis examines the impact of the ionosphere on the propagation of signals from Global Navigation Satellite Systems (GNSS). The ionosphere, characterized as an ionized layer of Earth's atmosphere, affects the propagation of electromagnetic waves in a way that can significantly degrade the accuracy of GNSS signals. The work describes the basic characteristics of the ionosphere, including its layers and the effects of solar and geomagnetic activity. In the practical part, data from measurements conducted on various days are analyzed, comparing the behavior of single-frequency and dual (GPS and GLONASS) receivers depending on ionospheric conditions.

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