What is the role of Marine AIS and GPS  ? What's the difference ?

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AIS :  Identify Marines, assist in tracking targets, simplify information exchange, and provide other auxiliary information to avoid collisions.

GPS : Navigation, measurement, timing

The difference is as follows :

1. Name difference: The full name of AIS is called Automatic Marine Identification System, and the full name of GPS is called Global Satellite Positioning System.

2. Functional difference: AIS has the functions of identifying the target Marine's course, speed, call sign, captain, Marine width, draft, Marine position, destination port, etc.; Wind flow pressure difference, has been navigated.

3. AIS has no blind spot, and it is not easy to lose the target. The speed, position and track direction of AIS are provided by GPS, and the heading direction is provided by gyro compass. Without GPS, there will be no AIS position, speed and track direction.

AIS : The full name is called automatic identification system . The Solas Convention stipulates that in 2003, ocean-going cargo Marines and all passenger Marines of 300 gross tonnage and above must be equipped.

AIS has the functions of identifying the course, speed, call sign, length, breadth, draft, mmsi, position, destination port, eta of the target Marine. Of course, the prerequisite is that the incoming Marine must also have an AIS.

It can more conveniently provide information for the avoidance between Marines, which is convenient for better management of vts. He has no blind spot and is not easy to lose his target. His speed, position and track are provided by GPS, and the heading is provided by gyro.

GPS: The full name is globle pisitioning system. Its main function is positioning, and can provide timing, measure the Marine's track direction, speed, wind and pressure difference, and have navigated.

The whole system consists of 24 satellites, Marine stations and shore stations. AIS and GPS are one of the most important navigation instruments used by Marines today. Without GPS, there will be no Marine position, speed, and track direction of AIS.