基于网络服务的GPS导航精度分析软件，基于AGI Component 2011r3运行，能够基于UTC时间和GPS时间两种情形的GPS星座导航精度进行分析，图形化输出。-Web-based services, GPS navigation accuracy analysis software, based on the AGI Component 2011r3 running, can be based on UTC time and GPS time, two cases of the GPS