IMO Standard Marine Communication Phrases
- Draft developed by the Maritime Safety Committee of the International Maritime Organisation to help improve safety of navigation. [PDF]
- http://www.actme.es/satanby/miWeb3/archivos/SMCP.pdf

Inmarsat Ship Directory
- Listings of ships with Inmarsat satellite communications; telex, fax, phone numbers for Inmarsat-A, B, M and Mini-M, and telex/e-mail addresses for Inmarsat-C terminals. Search by ship name with a minimum of 3 characters, or call-sign. A step-by-step guid
- http://maritime.inmarsat.com/ships_directory.aspx

Maritime Mobile Access and Retrieval System (MARS)
- System allows the Maritime Community to consult the current contents of the master ITU Ship station database.
- http://www.itu.int/MARS/

Marine Radio in Canada
- General information covering marine radio in Canada.
- http://www.ncf.carleton.ca/boating/vhf.html

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.
- http://www.navcen.uscg.gov/marcomms/default.htm