Taylor, Barry. Nation Shall Speak Peace Unto Nation. Old BBC Radio Broadcasting Equipment and Memories. Roger Beckwith. 9 July 2008 [14 May 2009]. (原始内容存档于23
(原始内容存档于2020-11-12). TS 38.101-5: NR; User Equipment (UE) radio transmission and reception; Part 5: Satellite access Radio Frequency (RF) and performance requirements
Radio amateurs are free to choose any radioequipment designed for the amateur service. Radio amateurs may also design and build their own equipment provided