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You are here Home > ITU Publications > Radiocommunication (ITU-R) > ITU-R Reports > Time signals and frequency standards emissions
TF.2487
Protection criteria for systems in the standard frequency and time signal services
TF.2511
Content and structure of time signals to be disseminated by radiocommunication systems and various aspects of current and potential future reference time scales, including their impacts and applications in radiocommunication
