US Coast Guard Maritime Telecommunications Information
Current information on all the maritime telecommunications systems you can think of. Includes links to Navtex, Inmarsat C, EPIRBs, GMDSS, HF and VHF radiotelephone, IMO and contacts with the U.S. Coast Guard.

Marine Radio in Canada
General information covering marine radio in Canada.

IMO Standard Marine Communication Phrases
The draft "Standard Marine Communication Phrases" was developed by the Maritime Safety Committee of the International Maritime Organisation with a view to standardizing the marine communication language (in English) in order to assist in the greater safety of navigation and of the conduct of ship.

Maritime Mobile Access and Retrieval System (MARS)
System allows the Maritime Community to consult the current contents of the master ITU Ship station database.