AIS Automatic Tracking System Simrad

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AIS Automatic Tracking System Simrad

Simrad NSPL-500 AIS Splitter

Save the hassle of installing a costly second antenna and use your existing single antenna with VHF/AIS/FM, by enlisting the lightweight, compact NSPL 500 antenna splitter.

When combined with the NAIS 500 AIS system, you can see and be seen on the water, whether tackling busy shipping lanes or crowded ports.

Key Features

Plug and play
Lightweight unit
Waterproof
Low power consumption
Wide voltage range
No insertion loss on AIS and VHF receive
Low insertion loss on AIS and VHF transmit

The automatic identification system (AIS) is an automatic tracking system that uses transponders on ships and is used by vessel traffic services (VTS). When satellites are used to detect AIS signatures, the term Satellite-AIS (S-AIS) is used. AIS information supplements marine radar, which continues to be the primary method of collision avoidance for water transport.[citation needed]

Information provided by AIS equipment, such as unique identification, position, course, and speed, can be displayed on a screen or an ECDIS. AIS is intended to assist a vessel's watchstanding officers and allow maritimeauthorities to track and monitor vessel movements. AIS integrates a standardized VHF transceiver with a positioning system such as a GPS receiver, with other electronic navigation sensors, such as a gyrocompass or rate of turn indicator. Vessels fitted with AIS transceivers can be tracked by AIS base stations located along coast lines or, when out of range of terrestrial networks, through a growing number of satellites that are fitted with special AIS receivers which are capable of deconflicting a large number of signatures.

The International Maritime Organization's International Convention for the Safety of Life at Sea requires AIS to be fitted aboard international voyaging ships with 300 or more gross tonnage (GT), and all passenger ships regardless of size.[1] For a variety of reasons, ships can turn off their AIS transponders.[2]

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