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2017-5-12Marine Transportation Services
Shipping Service (VTS) is responsible for promoting maritime traffic safety -
2017-5-12
Ship Reporting System
The global shipping dynamic reporting System was the first to gather dynamic data from the communications network established by Lloyd's in early 18th century in an important global location. -
2017-5-12
Ship Alignment System
In the past thousands of years of maritime practice, the ship's sailing routes were determined by the captain. -
2017-5-12
Radio Navigational Warning System
Navigational warning systems and navigational notices are to notify all ships in a timely and accurate manner -
2017-5-12
Ship Automatic Identification System
AIS is a new type of navigation system and equipment. -
2017-5-12
GPS positioning
The GPS (Global Positioning System) is called the Global positioning systems. -
2017-5-12
NNSS positioning
NNSS (Navy navigation Satellite system) was the first satellite positioning systems, -
2017-5-12
Satellite positioning System
Satellite navigation system (satellite navigation) is a kind of navigation method that uses man-made satellites to navigate. -
2017-5-12
Hyperbolic positioning System
Starting from the 40 's, in the radio positioning system, successively developed Roland (Long range Navigation, Loran) A/C