Garmin GPSMAP 3210 Owner's Manual - Page 113
What is a Maritime Mobile Service Identity MMSI?, How Are MMSI Assignments Obtained?
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What is a Maritime Mobile Service Identity (MMSI)? Maritime Mobile Service Identity (MMSI) allows a VHF radio to act like a phone. To make a "call" on a phone, you first need a phone number to dial. The 9-digit MMSI number acts like a phone number when used in a Position Report and as a unique identifier to the Coast Guard when used in an emergency distress call. To obtain a Maritime Mobile Service Identity (MMSI) number, users must register their VHF radio with the FCC (Form 605). Garmin does not supply this number! How Are MMSI Assignments Obtained? Non-commercial users (recreational users who remain in domestic waters and only carry VHF, EPIRB (Emergency Position Indicating Radio Beacons, and Radar)) are not required to have a FCC ship station license. The FCC and Coast Guard have authorized some second and third-party vendors to assign MMSI numbers. This service is limited to registering recreational vessels only. To receive information on how to obtain a recreational MMSI number, visit: www.navcen.uscg.gov/marcomms/gmdss/mmsi.htm or wireless.fcc.gov/marine/. Non-Federal Users in the United States Commercial users, or those who travel outside the U.S.A. or Canada, must apply for a ship station license, or an amendment to a ship station license. To find out if you require a Ship Station license, visit: wireless.fcc.gov/marine/fctsht14.html. If your vessel requires licensing by the FCC, you can obtain a MMSI during the application/licensing process when you file FCC Forms 159 and 605. Federal Users in the United States Federal users can obtain MMSI assignments from their agency radio spectrum management office. These procedures are currently under review by the NTIA (National Telecommunications and Information Administration). Appendix > Digital Selective Calling (DSC) Users Outside the United States Users can obtain an MMSI assignment from their telecommunications authority or ship registry, often by obtaining or amending their ship station license. Users in Canada Industry Canada is responsible for assigning MMSI numbers to commercial and recreational vessels. Information is available at the following Web site: www.ccg-gcc.gc.ca/mcts-sctm/docs/mmsi/MMSI_e.htm. For more information regarding MMSIs, visit: www.navcen.uscg.gov/marcomms/gmdss/mmsi.htm. How Can Garmin Help You with DSC? To receive Distress Calls or Position Reports, you must have a DSC-equipped chartplotter as well as a VHF radio with DSC support. During normal, nonemergency Position Report communication, Channel 70 (156.525 MHz) has been set aside as the VHF/DSC digital call channel. For a Distress Call, a mariner presses the MayDay button on the VHF radio. The call transmits on an emergency channel with the MMSI number attached to the call (if you have DSC support). Any DSC-equipped mariner (on sea or land) within range can receive the call. Appendix GPSMAP 3206/3210 Owner's Manual 105