A mobile system and method of operation thereof, comprising a radio frequency system, adapted to derive information relating to a position within an environment, based on communications with at least one terrestrial or extraterrestrial transmitter, and remotely transmit to and receive radio frequency information-bearing communications; a memory adapted to store at least a vehicle itinerary or position-related information; a controller, receiving the derived information and controlling a communication of the information-bearing communications relating to at least the stored itinerary or position related information; and a user interface, having a functionality defined by the controller, adapted to interface a user for receipt or presentation of information relating at least one of the itinerary or position-related information and the communicated information.