أنت هنا ITU > صفحة الاستقبال > ITU Publications > Radiocommunication (ITU-R) > publications

You are here صفحة الاستقبال > ITU Publications > Radiocommunication (ITU-R) > ITU-R Questions > Broadcasting services > Telemetry, tracking and command signals and test signals for maintenance and testing of the radio-frequency characteristics of broadcasting-satellite