ETSI ETS 300 065 PRA 1-1997 电磁兼容性和无线频谱事务(ERM).用于接收气象或航海信息(NAVTEX)的窄带直接打印电报设备.技术特性和测量方法
Electromagnetic Compatibility and Radio Spectrum Matters (ERM); Narrow-Band Direct-Printing Telegraph Equipment for Receiving Meteorological or Navigational Information (NAVTEX) Technical Characteristics and Methods of Measurement