Abstract: According to an exemplary embodiment of the present invention, an interactive information system for providing user data is stated, in which a control unit pre-processes data selected from raw data received from at least one individual data source. The selected pre-processed data is then transmitted to a user interface device where it is further processed and interactively displayed. User data is transmitted as an array of data points to the user interface device via a data packet of a fixed maximum size. User data may be transported to the user interface device, even in the case if the network connection between the control unit and the user interface may be very bad, i.e. the network connectivity and/or the bandwidth are very low.