Mitigating GNSS Positioning Errors due to Atmospheric Signal Delays (CROSBI ID 160245)
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Podaci o odgovornosti
Kos, Tomislav ; Botinčan, Maja ; Dlesk, Ana
engleski
Mitigating GNSS Positioning Errors due to Atmospheric Signal Delays
There are some fundamental limitations on positioning accuracy using satellite navigation technique. Several sources of errors limit the accuracy of GNSS (Global Navigation Satellite System) positioning. The errors due to the earth’s atmosphere have the largest value and must be significantly reduced in order to achieve more precise positioning results. The GNSS-based determination of the position is based on the very accurate measurement of the satellite radio signal propagation time between the satellite and the GNSS receiver aerials. GNSS signals change the propagation speed and direction as they pass through the atmosphere on their path from the satellite to the receiver, causing positioning errors. The article deals with the methods for reducing positioning errors due to the satellite signal propagation through the earth’s atmosphere.
GNSS; positioning error; ionospheric delay; tropospheric delay; delay correction models
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