Position measuring apparatus, position measuring method, navigation apparatus, navigation method, information service method, automotive vehicle, and audio information transmitting and receiving method

摘要

A position measuring apparatus includes a first position measuring device for position measuring a first position by receiving a first radio wave, a second position measuring device for position measuring a second position by receiving a second radio wave, an evaluating unit for evaluating uncertainty of data derived from the first position measuring device and/or the second position measuring device, and a selecting element for selecting data from the first position measuring device or the second position measuring device based on an output signal of the evaluating unit.