Description
List IV – List of Coast Stations and Special Service Stations is ITU’s directory of coast stations and maritime special services. The 2025 edition provides reference information for planning and conducting maritime radiocommunications.
The publication includes frequencies, positions and watchkeeping hours for coast stations, DSC and radiotelephony. It also covers medical advice, navigational and meteorological information, maritime safety information, port and pilot services, VTS and rescue coordination. List IV supports bridge teams, radio operators, shipping companies and maritime emergency services.
This edition is supplied as a digital licence. The publication is downloaded and installed on Windows 10 or 11. Initial registration and internet access are required for activation. Once activated, the publication can be used offline. Updates are obtained online.
