International activities survey in the field of space navigation within the framework of the International Committee on GNSS, the International Civil Aviation Organization and other international organizations

In the article there are analysed directions of development in the field of satellite navigation including aspects of service characteristics monitoring, complementarity of system time, complementarity of PPP, geodetic and temporal coordinates, international industrial standards for double-frequency multisystems navigation apparatus and others. There given perspective plans in the field of satellite navigation for the International Committee on GNSS (ICG), the International Civil Aviation Organization (ICAO) and other international organizations in 2021.