Tiêu chuẩn quốc tế

• Số hiệu / Standard Number: ITU-R SF.4-9/BL/1 (02/02)
• Tình trạng / Status: A - Còn hiệu lực
• Tên tiếng Anh / Title in English: Draft Revision of Rec - ITU-R SF - 1481 - Frequency sharing between systems in the fixed service using high-altitude platform stations and satellite systems in the geostationary orbit in the fixed-satellite service in the bands 47 - 2-47 - 5 and 47 - 9-48 - 2 GHz - (Questions ITU-R 251/4 and ITU-R 218/9)