The paper introduces the Germanic satellite positioning and navigation service. According to its precision, respond time, its purpose, it was divided into four-level service.
本文介绍德国的卫星定位与导航服务，及其按精度、时间响应和目的所分成的四个级别的服务。
The current navigation and positioning service will mainly be provided by the other six satellites.
现在的定位导航服务将主要由其他六颗卫星提供。
The Time Standaards of navigation positioning system and Time Service of Timing by Satellite and Satellite Timing Calibration of Timing are introduced.
介绍了导航定位系统的时间基准及实现时间统一的卫星授时技术和定时技术。
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