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Maritime Mobile
Service Identity (MMSI)
9
VHF Marine Radio Protocols
Maritime Mobile Service Identity (MMSI)
•
An MMSI is a nine (9) digit number used on a marine radio capable of using digital
selective calling (DSC). It is used to selectively call other vessels or shore stations
and is similar to a telephone number.
For your CobraMarine radio to operate in the DSC mode, you must enter your
Maritime Mobile Service Identity (MMSI) number. See page 62 for instructions
on how to enter your number.
MMSI Numbers are available in the U.S.A. from these Sources:
■
Boat U.S.: 800-563-1536 – www.boatus.com/mmsi
■
Maritel: 888-Maritel (888-627-4835)
■
Sea Tow International: 631-765-3660 – www.seatow.com
In Canada, Contact:
Industry Canada Spectrum Management Office (only available on the Internet):
http://strategis.ic.gc.ca/epic/internet/insmt-gst.nsf/vwGeneratedInterE/sf01742e.html
To Obtain an MMSI Number Outside the U.S.A.:
Users can obtain an MMSI from their country’s telecommunications authority
or ship registry. This may involve amending or obtaining a ship station license.
WARNING
This equipment is designed to generate a digital maritime distress and
safety signal to facilitate search and rescue. To be effective as a safety
device, this equipment must be used only within communication range
of a shore-based VHF marine channel to distress and safety watch system.
The range of the signal may vary, but under normal conditions should be
approximately 20 nautical miles.
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