The vehicle trajectory is a record of vehicle sports data, including location, date, time, speed, etc. For vehicles equipped with GPS positioning management system, you can check the vehicle on the software platform on the computer and mobile phone at any time. Various types of data such as cars, vehicle speed, parking time, etc. can be mastered at a glance at any time.

　　The GPS platform can actively record the motion trajectory of the vehicle and save about 6 months. When the owner needs it, you can retrieve the vehicle trajectory within 6 months to check.

　　However, if you want to leave the GPS positioner without leaving a trajectory, there is only one measure, that is, artificial interference positioners, which affects its normal work. For example, turn it off, or remove the built -in SIM card. Let the positioner do not work, so that the trajectory of the vehicle will not be left. If you need to work again, you can start or put it in the SIM card again.

　　The platform records the saved motion trajectory and does not support manual deletion. Because of the national policy, the GPS positioning industry needs to support the vehicle driving records of nearly 180 days. For special industries, even longer, records should be saved for one to three years. When the preservation period is reached, the system automatically removes historical records.

　　In addition, on the platform, sometimes one of the driving trajectories is a straight line, which is inconsistent with the front and rear trajectories. There may be four reasons:

　　1. The installation position of the GPS positioner is not properly installed, and the position is too close to the metal board;

　　2. Location GPS signal is weak (dense buildings or high -speed sections);

　　3. Check the wiring to confirm the operation and flames of the vehicle, and the equipment is normal;

　　4. If the equipment hardware fails, the device starts from scratch during use, the equipment positioning data will be lost, and it needs to be returned to the factory.

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The format of GPS data interface is briefly introduced