基于ARM7S3C44B0X的GPS开发程序，经博创开发板验证可靠。-ARM7S3C44B0X development of GPS-based procedures, the development board Fiberxon reliable authentication.

GPS系统P码的产生，37颗卫星的都有，数据长度为1.5s的，还可以输出前12位进行验证。-P code generation, GPS systems, satellite 37 has a data length of 1.5s, and can also output the top 12 for authentication.