LRIT is a point to point system. Messages are relayed from the ship via satellite to earth base stations and then routed (securely) to user states via Data Centres. It is an altogether more secure data transmission system which would require sophisticated equipment to intercept the messages.
LRIT is a global tracking system, designed to enhance Maritime Domain Awareness. It enhances existing AIS coverage (limited to approximately 50miles) and addresses some of the problems associated with AIS, for example false reporting.
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