该源程序是使用VC开发的基于GPS的全球定位系统的上位机界面，可以通过接受卫星数据进行全球定位。-The source code is developed by using VC-based Global Positioning System GPS-PC interface, you can accept the data from global positioning satellites.

SIM900 - the new generation of low cost GSM / GPRS modules of SIMCOM. In developing the module deference to the wishes of consumers modules of previous generations, carefully crafted questions the reliability of embedded software, introduced new powe