ITU's Maritime Service Publications are key to the success of maritime trade, passenger vessels and nautical recreation activities, providing them with essential services such as Maritime Safety Information – MSI (weather forecasts, navigational warnings, etc), ship position reporting and routing, information.

ITU.int/ITU-R. Its role is to manage the international radio-frequency spectrum and satellite orbit resources and to develop standards for radiocommunication systems with the objective of ensuring the effective use of the spectrum.

ITU-R accommodates the launch of new satellites as quickly and efficiently as possible. It facilitates any new developments and the continuation of satellite services in a safe way. It also squeezes more into the frequency bandwidth, which is a limited, finite resource.