linux环境下用c语言实现对GPS数据的读取和分析，图形界面用minigui实现，在redhat9.0系统中调试通过-This application uses C programing language to read and analysis the data get from GPS under Linux platform. Graphical user interface is use minigui to realize, it has been test on reahat 9.

gpsr路由协议c++实现，添加了除了距离因素以外的链路质量因素作为选路判据。-gpsr rouintg protocol, which added a new routing metric called etx in the original code.

C语言平台上与LINUX交叉编译，链接收发器实现GPRS功能。-C-platform, cross-compiled with LINUX, link transceiver GPRS functionality.