随着飞行管制区域内飞行活动的大量增加和新航线的不断开辟,VHF对空通信系统对飞行安全的保障显得日趋重要。但由于VHF设备受所处地理位置和通信距离等因素的限制,在管制区域的边缘部分存在通信效果差的实际问题,特别是在一些较大的管制区,出现了通信盲区的现象。于是,VHF遥控站的建立,就显得尤为必要和急迫。民航VHF遥控台经过“九五”两期的开发建设,使空域内基本实现了通信覆盖。不过,传统的VHF遥控系统仍然存在着一些问题。例如:每一个信道须使用一台控制单元,将PTT、SOL信号进行FSK调 With the substantial increase in flight operations in the area of ​​flight control and the continuous opening up of new routes, it is becoming increasingly important for VHF to guarantee the flight safety of air-to-air communication systems. However, due to the geographical location and communication distance of VHF equipment, the actual problem of poor communication effect exists in the edge part of the controlled area. In some large controlled areas, in particular, a communication blind spot occurs. As a result, the establishment of VHF remote control station, it is particularly necessary and urgent. Civil Aviation VHF remote control station after “nine five ” two development and construction, so that the basic realization of airspace communication coverage. However, the traditional VHF remote control system still has some problems. For example: Each channel must use a control unit, the PTT, SOL signal FSK