摘 要：目前GPS（全球定位系统）定位应用市场日趋成熟，正在进入应用的高速发展时期。本文以一款 EverMore公司的GM-X205GPS接受模块为例，介绍了其数据格式，以及应用PIC16F874单片机RS232串口进行数据接收的程序。-Abstract: The GPS (Global Positioning System) location-based applications market matures, is entering the application period of rapid development. In this paper, a EverMore to accept the company' s GM-X205GPS module, for example, describes its data format, and the application of PIC16F874 microcontroller RS232 serial port for data reception process.