3个串口接收，一个串口发送数据， GPS卫星定位数据-3 serial receiver, a serial port to send data, GPS satellite positioning data

用蓝牙接收GPS卫星定位数据包,并存入数据库.-Bluetooth GPS receiver using satellite positioning data packets, and stored in the database.

GPS(陕西天文台2006C)卫星校时软件 随WINDOWS自动启动/取消启动模块,自动校时，任务栏隐藏，程序隐藏-GPS (Shaanxi Observatory, 2006C) of satellite schools with WINDOWS software automatically when you start/cancel startup module, automatic error correction, task bar hide, hide program