ITU-R M.823-3-2006
区域1中283.5-315KHz以及区域2和3中285-325KHz频段全球航海卫星系统中来自海上无线电信标的不同发射的技术特征
Technical Characteristics of Differential Transmissions for Global Navigation Satellite Systems from Maritime Radio Beacons in the Frequency Band 283.5-315 kHz in Region 1 and 285-325 kHz in Regions 2 and 3