说明：  GPS时钟系统是针对自动化系统中的计算机、控制装置等进行校时的高科技产品，GPS数字产品它从GPS卫星上获取标准的时间信号.
(GPS clock system is for the automation system in the computer, control devices, such as the school s high-tech products, GPS digital products the GPS satellite to obtain the standard time signal. GPS clock system is a school for the automation system of the computer, control devices and other high-tech products, GPS digital products it the GPS satellites to obtain standard time signal, the information is transmitted through various kinds of interface types to the automation system need time information equipment (computer, protective devices, fault record filter, the sequence of events recording device, automatic safety device, RTU), so as to achieve the system time synchronization. )