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.

用于模拟GPS/北斗卫星接收机输出信号的功能,主要是串口输出GPS M12的信号,以及北斗OEM板的串口信号-Used to simulate the GPS/Beidou satellite receiver output signal is mainly serial output signal of GPS M12, as well as the serial Beidou OEM board signal

这是利用单片机、液晶显示器和GPS的OEM板设计开发一种GPS定位信息显示器的C程序，能显示经纬度、时间和水平面高度等实时信息！-This is the use of single-chip, liquid crystal display and the design of GPS-OEM board GPS positioning information to develop a C program display showing the latitude and longitude, tim

GPS-OEM模块卫星方位图测试软件设计程序(采用Microsoft Visual C++6.0进行编程设计.)-GPS-OEM module satellite location map test software design program (using Microsoft Visual C++6.0 to program design.)