The scope of ongoing studies/activities within each pre-Radiocommunication Assembly 2007 Study Group in support of disaster prediction, detection, mitigation or relief radiocommunication systems
ITU-R BO.1774 Use of satellite and terrestrial broadcast infrastructures for public warning, disaster mitigation and relief*， 2015-10-01 Update
ITU-R BO.1774-1 Use of satellite and terrestrial broadcast infrastructures for public warning disaster mitigation and relief
ITU-R BT.1774 Use of satellite and terrestrial broadcast infrastructures for public warning, disaster mitigation and relief*， 2015-10-01 Update
ITU-R BT.1774-1 Use of satellite and terrestrial broadcast infrastructures for public warning disaster mitigation and relief
ITU-R F.1105 Fixed wireless systems for disaster mitigation and relief operations*， 2019-01-01 Update
ITU-R S.1001-1 Use of systems in the fixed-satellite service in the event of natural disasters and similar emergencies for warning and relief operations