ITU-R Working Party 1A | Spectrum engineering techniques

ITU-R Study Group 4 | Satellite services

ITU-R Working Party 4A | Efficient orbit/spectrum utilization for FSS and BSS

ITU-R Working Party 4B | Systems, air interfaces, performance and availability objectives for FSS, BSS and MSS, including IP-based applications and satellite news gathering

ITU-R Working Party 4C | Efficient orbit/spectrum utilization for MSS and RDSS

ITU-R Study Group 7 | ​​​​​​​​​​​​​​​​​​​​​​Science services

ITU-R Working Party 7D | Radio astronomy

ITU-R Working Party 7C | Remote sensing systems

ITU-R Working Party 7B | Space radiocommunication applications

ITU-R Working Party 7A | Time signals and frequency standard emissions