DIN EN 301842-4-2007 电磁兼容性和射频频谱管理(ERM).VHF空对地数字链(VDL)模式4无线电设备.地面设备的技术特征和测量方法.第4部分:点对点功能
Electromagnetic compatibility and Radio spectrum Matters (ERM) - VHF air-ground Digital Link (VDL) Mode 4 radio equipment - Technical characteristics and methods of measurement for ground-based equipment - Part 4: Point-to-point functions (Endorsement of