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What is the maximum range of AIS?

Since the horizontal range of AIS signals is only about 40 nautical miles (74 km), AIS traffic data is only accessible in coastal areas or ship-to-ship zones. Two VHF frequencies, 161.975 MHz and 162.025 MHz, with a bandwidth of 25

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How accurate is AIS data?

Overall, it was discovered that there is a mean difference of 97.72 metres between AIS and radar data. Additionally, some methods can more accurately approximate AIS data than traditional linear interpolation.

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Can AIS replace Radar?

As a result, AIS is a valuable tool for collision avoidance. There will always be ships with no AIS. However, radar does not depend on the target's onboard technology to detect targets. As a result, radar, which is a "full"

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What is a Class B AIS transponder?

Recreational and small commercial vessels primarily employ Class B AIS transponders. All AIS reception equipment can "see" the data sent by Class B transponders. Class B transponders likewise receive all Class A and Class B AIS broadcasts.

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Is AIS satellite based?

The use of satellites to identify AIS fingerprints allows for satellite-based AIS, which makes it possible to follow the whereabouts of ships anywhere around the globe, especially over open oceans. Compared to AIS systems based on the ground, it also

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Is AIS part of GMDSS?

The information provided by the AIS, which is not a component of the GMDSS, supplements the data provided by marine radar (marine radar is still the principal collision avoidance technique for maritime transport).

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