Radio Equipment and Systems (RES); Radio transmitters and receivers at aeronautical stations of the aeronautical mobile service operating in the VHF band (118 MHz -137 MHz) using amplitude modulation and 8,33 kHz channel spacing; Technical characteristics and methods of measurement
无线电设备和系统;使用调幅和8.33 kHz信道间隔 在VHF频段(118 MHz-137 MHz)运行的航空移动服务航空站的无线电发射机和接收机;技术特性和测量方法
International standard for ground based radio equipment used in aeronautical VHF communication systems employing double sideband amplitude modulation and 8,33 kHz channel spacing. The civil aeronautical authorities wish to apply this standard in the European air space.