Can find out. Accurately can find out which position you are in the base station, communication big data trip card query action track data source is based on the positioning of the base station of the mobile operation network. The base station through the operator's signal tower to obtain to the cell phone SIM card latitude and longitude information, after the calculation of the location of the point and electronic map API for docking display to the map above, to achieve the purpose of positioning. Therefore, a cell phone with a SIM card inserted and kept in the power-on state can query the itinerary. However, in order to ensure continuous communication, realize coverage without blind spots and provide better communication service quality, the signals of two base stations at the border of administrative divisions may be cross-covered, resulting in the deviation between the actual trip and the query result. This is possible if the user lives close to the city boundary, or if he/she is driving long distance or taking a train.