Channel and Frequency Guides GMDSS Rules and Regulations

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

» 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/

» 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