Accurate position measuring system

DETAILED DESCRIPTION It is an object of the present invention to provide an accurate position measuring system capable of eliminating troublesomeness due to changing over the frequency in accordance with the area in order to obtain positional error information, solving various problems in the broadcasting system and grasping a highly accurate position in every area easily.
In order to achieve the above object, the accurate position measuring system of the present invention comprises a communication satellite for performing data communication, a position measuring satellite for transmitting position measurement data necessary for a position measurement calculation, a position reference station for receiving the position measurement data from the position measuring satellite and for calculating a positional error transmitting the positional error as positional error information, a network management station for collecting the positional error information transmitted from the position reference station and transmitting the collected positional error information to the communication satellite, and a position measuring device for receiving the position measurement data from the position measuring satellite and calculating position information relative to a current position, the position measuring device receiving the positional error information transmitted from the network management station through the communication satellite and correcting the calculated position information by means of the received positional error information.