GB/T 14435.3-1993
卫星广播业务和地面业务间的频率共用 11.7-12.2GHz和12.5-12.75GHz卫星广播业务(电视)和地面广播业务(电视)及地面无线电中继系统间的频率共用
Frequency sharing between the broadcasting-satellite service and terrestrial services. Frequency sharing between the broadcasting-satellite service (television) in one side and terrestrial broadcasting services (television) and terrestral radio-relay syst