Maranov, A., Zahorodnia, Y., Pozdniakova, V., Temerbek, A., Danylenko, O., Lysyy, A., & Smyrnova, I.
The analysis of the main existing modern systems of navigation support is carried out. The article is devoted to an analytical review of the structure of the navigation message of modern navigation systems, namely GLONASS. The structure of the GLONASS navigation message has been determined. The analysis of the composition and placement of operational information in the frame of the navigation message as well as the structure and placement of non-operational information (almanac) in the frame of the GLONASS navigation message.