MMSI stands for Maritime Mobile Service Identity. It is a unique nine-digit number assigned to a ship or maritime mobile station that is used in maritime communication systems. The MMSI number is primarily used in the Automatic Identification System (AIS) and other communication systems like VHF radio to identify vessels. The MMSI number serves several purposes, including: 1. **Identification**: It helps in uniquely identifying a ship in communications and tracking systems.
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