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Service Documents - Introduction : 

Service Documents - Introduction Conceived and structured to provide information deemed essential for: proper and safe functioning of radiocommunication services; enhancing the safety of life. Obligatory to certain classes of ship radio stations. Administrations - have an obligation to ensure compliance Two types of service documents: Those related to maritime mobile and maritime mobile satellite service (MSD); others, not related to maritime mobile service (N-MSD).

Service Documents - Maritime (MSD) : 

Service Documents - Maritime (MSD)

Service Documents – Non-Maritime (N-MSD) : 

Service Documents – Non-Maritime (N-MSD)

- MSD - List of Coast Stations - List IV : 

- MSD - List of Coast Stations - List IV Periodicity: Published every two years; kept up-to-date by means of three, semi-annual supplements. CARRIAGE REQUIREMENT: on board ships with Morse radiotelegraph installation; On board GMDSS ships. The information provided enables ship stations : 1) to establish and maintain communications with coast stations; 2) to identify appropriate GMDSS stations, in case of distress.

- MSD - List of Coast Stations - List IV: 

- MSD - List of Coast Stations - List IV Information provided: call sign; selective call number and MMSI; hours of operation; frequencies in use; type and classes of emissions; hours of traffic lists and watch-keeping; etc.

- MSD - List of Coast Stations - List IV: 

- MSD - List of Coast Stations - List IV Tariffs and Taxes. Particulars of stations participating in GMDSS: MF, HF and VHF Digital Selective Calling; Coast Earth Stations; Stations broadcasting Maritime Safety Information (MSI); including those of NAVTEX service.

- MSD - List of of Ship Stations - List V: 

- MSD - List of of Ship Stations - List V Periodicity: Published annually; kept up-to-date by means of two quarterly supplements in addition to a half-yearly recapitulative supplement. Carriage Obligation: Ships fitted with radio telegraph installation; Ships fitted for GMDSS.

- MSD - List of of Ship Stations - List V: 

- MSD - List of of Ship Stations - List V Information provided: Identification of stations – (Ship name, Call sign, Selective call numbers, MMSI); Auxiliary information - (EPIRB, SART and life boats); Class and type of ship; Frequency bands; Accounting authorities information; Annex of Pre-determined groups of stations; Addresses of Administrations; Etc.

- MSD - List of Radiodetermination and Special Services Stations (List VI): 

- MSD - List of Radiodetermination and Special Services Stations (List VI) Periodicity: This List is published at intervals determined by the Secretary-General; Normally every three and a half years and kept up to date by supplements published every six months. Carriage Obligation: to ship stations for which a Morse radio-telegraph installation is required by international agreement.

- MSD - List of Radiodetermination and Special Services Stations (List VI): 

- MSD - List of Radiodetermination and Special Services Stations (List VI) Particulars of stations used for maritime radio-navigation and of stations providing special transmissions for use by ship and other stations. Information provided: Direction finding and DF calibration stations; Radio beacons and radar beacons stations;

- MSD - List of Radiodetermination and Special Services Stations (List VI): 

- MSD - List of Radiodetermination and Special Services Stations (List VI) Stations transmitting time and standard frequencies; Stations transmitting Ursigrams (bulletin about solar activities and the ionosphere); Stations transmitting regular meteorological bulletin and notices to mariners; Stations transmitting medical advice.

- MSD -  Lists of Call Signs and Numerical Identities of Stations Used by Maritime Mobile and Maritime Mobile-satellite Service (List VIIA): 

- MSD - Lists of Call Signs and Numerical Identities of Stations Used by Maritime Mobile and Maritime Mobile-satellite Service (List VIIA) Periodicity: Published every two years; kept up-to-date by means of quarterly supplements. Carriage Obligation: Ships fitted with radio telegraph installation; Ships fitted for GMDSS.

- MSD -  Lists of Call Signs and Numerical Identities of Stations Used by Maritime Mobile and Maritime Mobile-satellite Service (List VIIA): 

- MSD - Lists of Call Signs and Numerical Identities of Stations Used by Maritime Mobile and Maritime Mobile-satellite Service (List VIIA) This List complements the List of ship stations and the previously mentioned Lists. Is of particular use in the GMDSS search activity to identify a station in distress situation. Information provided: a listing of all the notified and recorded call signs; numerical identities of stations of the maritime mobile and maritime mobile satellite service and their corresponding stations.

- MSD - Manual for use by Maritime Mobile and maritime mobile satellite Service : 

- MSD - Manual for use by Maritime Mobile and maritime mobile satellite Service A reference publication that contains all pertinent extracts from the ITU Constitution & Convention; Radio Regulations; Telegraph and Telephone Regulations; and associated ITU – T and R Recommendations on the maritime mobile and maritime mobile satellite service. CARRIAGE OBLIGATION TO ALL SHIP STATIONS

(N-MSD) List of International Monitoring Stations (List VIII) : 

(N-MSD) List of International Monitoring Stations (List VIII) Periodicity: Printed at intervals determined by the Secretary General, normally every five years; Updates printed in the Operational Bulletin. The List contains in a tabulated form: particulars of monitoring stations of the terrestrial radiocommunications services Particulars of monitoring stations of space radiocommunications service.

(N-MSD) Alphabetical List of Call signs of Stations other than Amateur Stations, Experimental stations, and Stations of the Maritime Mobile Service (List VIIB) : 

(N-MSD) Alphabetical List of Call signs of Stations other than Amateur Stations, Experimental stations, and Stations of the Maritime Mobile Service (List VIIB) This list contains the alphanumerical listing of call signs of non-maritime stations operating below 30MHz. This List has become redundant as the information it contains can now be retrieved from the IFIC. The last WRC (2000) decided that the List be no longer published.