ETSI ETS 300 441-1996 无线电设备和系统(RES).用于遇险和呼叫频率2,182 kHz的海事无线电话监视接收机的技术特性和测量方法
Radio Equipment and Systems (RES); Technical Characteristics and Methods of Measurement for Maritime Radiotelephone Watch Receivers for the Distress and Calling Frequency 2 182 kHz