Digital radio mondiale (DRM) - Part 2: Digital radio in the bands below 30 MHz - Methods of measurement for DRM transmitters (IEC 62272-2:2007); German version EN 62272-2:2007, text in English
数字无线电mondiale(DRM).第2部分:30MHz以下频带的数字无线电.数字无线电发射机的测量方法(IEC 62272-2-2007);德文版EN 62272-2:2007 英文文本