Interactive process for use as a navigational aid and device for its implementation

摘要: The invention relates to a system be used as an aid in navigation comprising mobile terminal (1, 2) connected centralized server (5), and more specifically the improvements required convert portable radiotelephone (1) into complete precise navigational system. is characterized by fact that itinerary requests of are transmitted (5) radio relay link, which contains necessary cartographic program data, calculates requested transmits data concerning straight line arc segments constitute itinerary, thereby permitting real-time guidance. further evaluates possibility craft deviating from its course, well also possible deviation itineraries area proximity main itinerary. can applied particular automotive vehicles.