This List, contains information (i.e. call sign, MMSI, geographical coordinates, transmitting and receiving frequencies, etc.) of coast stations that;
provide watch-keeping using digital selective calling techniques and public correspondence service; transmit medical advice, navigational and meteorological warnings and urgent information (MSI) by means of narrow-band direct-printing techniques, meteorological bulletins, notices to navigators, radio time signals and AIS.

It also contains information of Port stations, Pilot stations, Coast earth stations, VTS stations, contact information of Rescue coordination centers, SAR Agencies and Navarea coordinators.

It should be noted that no supplements will be printed between two editions. However, a file containing a compilation of changes, notified to this List, will be made available for information, free of charge, through the ITU MARS webpage http://www.itu.int/ITU-R/go/mars

This List is published in CD-ROM format and contains the Preface and Reference tables in a booklet form, similar to List V.

[Also of note: The 2011 Edition of List IV effectively merges List IV and List VI (List of RadioDeterminations). List VI is therefore no longer available separately and the 2008 Edition of List VI is superseded by the 2011 Edition of List IV).

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