SIRF GPS射频IC的应用手册，设计导航仪系统很有用,SIRF GPS RF IC application manual, design navigator system useful

　　这是一个简单的GPSNMEA-0183协议解析库开发平台，让你对GPS应用的开发变得简单易行，TestGPS是一个使用这个开发库的测试程序，个人觉得不错。-This is a simple GPSNMEA-0183 agreement to develop analytical database platform for your GPS application development has become a simple, TestGPS is a library to use the

GPS Serial Communications - It s an explanation of parsing NMEA string, using TurboC++ for DOS.

MediaTek系列GPS芯片NMEA指令用户手册-MediaTek GPS Chipset NMEA Packet User Manual