Henryk Jafernik. UTILIZATION OF THE PPP METHOD FOR THE AIRCRAFT POSITION DETERMINATION USING CODE OBSERVATIONS IN GPS SYSTEM. SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 16th International Multidisciplinary Scientific GeoConference SGEM2016, Informatics, Geoinformatics and Remote Sensing, 2016. https://doi.org/10.5593/sgem2016/b21/s08.119