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.

介绍VB下MAPX实现的二次搜索查询，MapX+VB的源代码和结果图形界面-introduced VB Connection's secondary search query, MapX VB source code and the results of a graphical interface

一个计算GPS坐标,实现坐标转换的的图形化界面程序源码,具有很不错的参考价值.-A calculation of GPS coordinates, coordinate conversion to achieve graphical interface program source code, has a very good reference value.