Study GroupsRadiocommunication Study Group 7Working Party 7D – Radio astronomy: radio astronomy and radar astronomy sensors, both Earth-based and space-based, including space very long baseline interferometry (VLBI) – (WP 7D) Working Party 7D – Radio astronomy: radio astronomy and radar astronomy sensors, both Earth-based and space-based, including space very long baseline interferometry (VLBI) – (WP 7D)
