The Automated Identification System (AIS) is a data transmission designed to exchange information automatically. What type of data and method is AIS?

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Multiple Choice

The Automated Identification System (AIS) is a data transmission designed to exchange information automatically. What type of data and method is AIS?

Explanation:
Automatic Identification System transmits vessel identity, position, course, speed, navigational status, and related safety data automatically. It uses VHF marine radio with digital modulation to broadcast on dedicated channels, propagating primarily by line of sight. This means nearby ships and shore stations within radio range receive the information without relying on satellites or cellular networks. While satellite AIS exists as an augmentation, the standard method is line-of-sight VHF-FM data exchange.

Automatic Identification System transmits vessel identity, position, course, speed, navigational status, and related safety data automatically. It uses VHF marine radio with digital modulation to broadcast on dedicated channels, propagating primarily by line of sight. This means nearby ships and shore stations within radio range receive the information without relying on satellites or cellular networks. While satellite AIS exists as an augmentation, the standard method is line-of-sight VHF-FM data exchange.

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