APS is the premium positioning module combining GNSS+INS technology by NovAtel with advanced algorithms to obtain the most accurate radar information in poor or no satellite coverage scenarios ranging from urban canyons to tree-lined roads up to tunnels and underpasses. APS is the turn-key accurate positioning solution to minimize time and cost for data collection and extraction process: no manual trajectory adjustments are needed and positioning errors related to GNSS coverage issues are minimized.