Joint Coordination Activity on IMT-2020

Radio Regulations Board (RRB)

Fixed wireless systems; HF and other systems below 30 MHz in the fixed and land mobile services

Maritime mobile service including Global Maritime Distress and Safety System (GMDSS); aeronautical mobile service and radiodetermination service

Land mobile service above 30 MHz*(excluding IMT); wireless access in the fixed service; amateur and amateur-satellite services

IMT Systems

Informal Committee on Subsidies and Countervailing Measures

27th Meeting of the Radiocommunication Advisory Group (RAG)

Remote Sensing Systems

Space Radiocommunication Applications