Transmission line shaft tower big dipper GPS dual -mode locating navigation

The utility model relates to a location navigation field is for transmission line shaft tower big dipper GPS dual -mode locating navigation. Including the handheld terminal navigation of the big dipper handheld terminal operation, carry out the communication through big dipper satellite and big dipper commander machine, the data that surveillance center's server was received big dipper commander machine are handled, optimize shaft tower navigation data, save, and analysis processes is carried out to data to receive real -time big dipper short message data, report to the police if any unusual alarm information, navigate to the target shaft tower in the handheld terminal of the big dipper to send position data and alarm information in real time and send the server process for the surveillance center with position data again for big dipper commander machine, big dipper commander machine. The utility model discloses a big dipper GPS bimodulus technique, performance GPS system stability is high, convenient to use'