本文是一个SZCORS系统，就是一个基于Internent的差分GPS定位系统，这个系统可以在相对广大范围内通过网络提供RTK服务。-SZCORS this is a system Internent is based on a Differential GPS positioning system, The system can be in a relatively broad scope through RTK network services.

一种低成本的差分GPS定位系统的设计与实验，利用普通的GPS-OEM板建立差分GPS定位系统的设计方案。-a low-cost differential GPS positioning system and the design of experiments, use ordinary GPS - OEM board to establish differential GPS positioning system design.