Konin, ValeriyIshchenko, OlgaKrisko, AndreyMaksymenko, Natalia2021-12-172021-12-172021Konin V.V. Experimental research and modeling of the parameters of the Quasi-Zenith Satellite System in Ukraine / O.M. Ishchenko, A.V. Krisko, N.V. Maksymenko // AVIA-2021 : Proceedings of the Fifteenth International Scientific Conference. - National Aviation University. – Kyiv, 2021. - P.6.25-6.29https://er.nau.edu.ua/handle/NAU/53407The results of experimental studies and modeling of the orbital motion of QZSS geosynchronous satellites are presented. The possibility of forecasting the availability of satellites using almanac data obtained from the QZSS system and so on is shownensystem QZSSquasi rangeephemerisnavigation tasksatellitealmanacionospheretroposphereArticle621.396.96