UDP模拟发送港口RTG位置数据，并定义自己的协议进行通信，配置好端口后，按键盘的上下左右键，数据自动计算并发送，并有相关图形显示-UDP port to send RTG simulated location data, and define their own protocol to communicate, configured the port, press the keyboard up and down around keys, data is automatically calcu