n      n        aa      v       v   t t t t t   e e e   x       x

   n n    n       a  a      v     v        t       e         x   x

   n  n   n      a aa a      v   v         t       e e         x

   n   n  n     a      a      v v          t       e         x   x

   n    n n    a        a      v           t       e e e   x       x





-----------------------------------------------------------------------

|       NAVTEX LIST compiled by Marius Rensen, Hannover Germany       |

|                                                                     |

|       This listing contains the NAVTEX Indentifier on 518 kHz       |

|                                                                     |

| Echomail          : FIDO-net RTTY or SW-echo                        |

| Net-mail (FIDO)   : 2:241/1040.12 or 2:292/878.6                    |

| CompuServe        : 100116,2632                                     |

| Internet          : 100116.2632@compuserve.com                      |

|                                                                     |

| This file is available via CompuServe, Fidonet and Internet.        |

| This file may be copied and repost to other boards without          |

| permission, as long as the file remains unchanged.                  |

-----------------------------------------------------------------------

| Updated: Jun-95                                                     |

-----------------------------------------------------------------------





For ships operating in coastal areas, Marine Safety Information (MSI) 

is disseminated using the international NAVTEX system transmitting on 

518 kHz (SITOR-B)



NAVTEX is an internationally standard method of receiving notices.



The service uses a single frequency with transmissions from nominated 

stations within each NAVAREA being arranged on a time-sharing basis to

eliminate mutual interference. All necessary information is contained

in each transmission. The power of each transmitter is regulated so as 

to avoid the possibility of interference between transmissions.



Each NAVTEX message broadcast contains a four-character header (B1 to B4)

describing:



First character (B1) = station ID



The transmitter indentification character (B1) is a single unique letter

wich is allocated to each transmitter. It is used to indentify the 

broadcasts wich are to be accepted by the receiver and those wich are to

be rejected. In order to avoid erroneous reception from two stations having

the same (B1) character, it is necessary to ensure that such stations have

a large geographical separation. NAVTEX transmissions have a designed range

of about 400 nautical miles.



Second character (B2) = message content (subject indicator characters)



The subject indicator character is used by the receiver to indentify

different classes of messages (see below) The indicator is also used to

reject messages concerning certain optional subjects wich are not required

by the ship (e.g. OMEGA msg if the ship is not fitted with an OMEGA receiver)





Third and forth character = message serial number







SAMPLE NAVTEX MESSAGE:





  ______________ Beginn of new message 

 |    __________ Geographic indentifier (station ID)

 |   | _________ Subject indentifier (message content)

 |   ||  _______ Message serial number

 |   || |

zczc la71

rogaland radio 950114 0959



nav.warning 046/00

norwegian chart 129

area arasvikfjorden



fishingfarm in drift at espenes in arasvikfjorden.

140945 utc jan 95



nnnn



=====================================================================



                      GEOGRAPHIC INDENTIFIER





                     OPERATIONAL                  PLANNED 



Caribbian Sea:     Bermuda Radio       B

                   USCG Miami          A       

                   USCG New Orleans    G

                   USCG San Juan       R



East Pacific:      Antofagasta Radio   A+M

                   Callao Radio        U

                   CCG Prince Rupert   D   

                   CCG Tofino          H   

                   Magallanes Radio    E       

                   Molendo Radio       W

                   Paita Radio         S

                   Puerto Montt Radio  D+J

                   Talcahuano Radio    C+I

                   USCG Adak           X

                   USCG Astoria        W

                   USCG Honolulu       O

                   USCG Kodiak         J

                   USCG Long Beach     Q

                   USCG San Francisco  C

                   Valparaiso Radio    B+H



East/South         Dalian Radio        R       Fuzhou Radio    O

China Sea          Guangzhou Radio     N       Hongkong Radio  L

                   Shanghai Radio      Q       Zhanpjang Radio M

                   Singapore Radio     C       Nana Radio      G

                   Victoria Harbour R. L

                   

Indian Ocean       Bombay Radio        G

Arabian Gulf       Durban Radio        D

Red Sea            Jeddah Radio        H

                   Madras Radio        P

                   Manama Radio        B

                   Muscat Radio        M

                   Serapeum Radio      N+X



Mediterranean-     Antalya Radio       F       

Sea/Black Sea      Batumi Radio        A 

                   CROSS               W+A     Alexandria R.  N

                   Haifa Radio         P

                   Iraklion Radio      H       Cabo la Nao    Z

                   Istanbul Radio      D

                   Izmir Radio         I

                   Kerkyra Radio       K

                   Limnos Radio        L

                   Mariupol Radio      B

                   Nicosia Radio       M

                   Novorossiysk Radio  A

                   Odessa Radio        C

                   Samsun Radio        E

                   Split Radio         Q

                   Tarifa Radio        G

                   Valetta R.(Malta)   O

                   Varna Radio         J



North Sea          Cullercats Radio    G

Gulf of Bothania   Harnosand Radio     H

Gulf of Finland    NCG Ijmuiden        P

                   Oostende Radio      T

                   Rogaland Radio      L

                   Stockholm Radio     J+H

                   Tallin Radio        U

                   Vardoe Radio        V



North Atlantic     Arkhangelsk Radio   F       Canary Islands   I 

Barents Sea        Bodoe Radio         B       Tarifa Radio     G

English Cannel     CCG Montreal        T+W

Irish Sea          CCG Sydney          Q+S

Norwegian Sea      CCG Yarmouth        U+V

                   CROSS               A

                   Hamilton Harbour R. B

                   La Coruna Radio     D

                   Murmansk Radio      C

                   Niton Radio         S

                   PN Horta            F

                   PN Lisbon           R

                   Portpatrick Radio   O

                   Reykjavik Radio     R

                   USCG Boston         F

                   USCG Portsmouth     N



South Atlantic     Bahia Blanca Radio  D       Rosario Radio   G

                   Buenos Aires Radio  F 

                   Cape Town Radio     C

                   Comodoro Rivadavia  C

                   Mar del Plata Radio E

                   Rio Gallegos Radio  E+B



West Pacific       Beringovskiy Radio  E           

Sea of Japan       Kholmsk Radio       B       Tianjin Radio   S

                   Kushiro Radio       K

                   Magadan Radio       D

                   Moji Radio          H

                   Naha Radio          G

                   Otaru Radio         J

                   Petropavlovsk Radio C

                   Provideniya Radio   F

                   USCG Apra Harbour   V

                   Vladivostok Radio   A

                   Yokohama Radio      I



=====================================================================



                        SUBJECT INDENTIFIER (B2 character)



A    Navigational warnings



B    Meteorological warnings



C    Ice reports

 

D    Search and rescue information



E    Meteorological forecasts



F    Pilot service



G    DECCA messages



H    LORAN C messages



I    OMEGA and differential OMEGA messages



J    SATNAV messages



K    Other electronic NAVAID system messages



L    Navigation warnings (additional to A)



M-U  Not yet defined



V-Y  Special trials i.e. non-English broadcasts



Z    No message on hand (QRU)



Note: A B and D are non-rejectable to ensure that ships using NAVTEX

      always receive the most vital information.

      

      B F and G are normally not used in the U.S. Since the NWS service

      normally includes meteorological warnings in forecast messages,

      meteorological warnings are broadcast using the subject indicator

      character E. USCG District Broadcast Notices to Mariners affecting

      ships outside the line of demarcation, and inside the line of 

      demarcation in areas where deep draft vessels operate, use the 

      subject indicator character A.



===================================================================

                               --- EOF ---


[Contents]
Last Modified: 5 July 1995