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- How AIS works and what it does - Nautical Institute
Automatic Identification System (AIS) is a communications system that uses four worldwide channels in the VHF maritime mobile band to exchange navigation data It came into being as a direct result of the need for heightened safety at sea
- How AIS Works | Navigation Center - navcen. uscg. gov
Each AIS system consists of one VHF transmitter, two VHF TDMA receivers, one VHF DSC receiver, and standard marine electronic communications links (IEC 61162 NMEA 0183) to shipboard display and sensor systems (AIS Schematic)
- MarineTraffic: Global Ship Tracking Intelligence | AIS Marine Traffic
Search the MarineTraffic ships database of more than 550000 active and decommissioned vessels Search for popular ships globally Find locations of ports and ships using the near Real Time ships map View vessel details and ship photos
- Automatic Identification System (AIS) Overview | Navigation Center
The AIS is a shipboard broadcast system that acts like a transponder, operating in the VHF maritime band, that is capable of handling well over 4,500 reports per minute and updates as often as every two seconds
- U. S. Vessel Traffic – Automatic Identification System (AIS)
U S Vessel Traffic – Automatic Identification System (AIS) AIS data are collected by the U S Coast Guard through an onboard navigation safety device that transmits and monitors the location and characteristics of large vessels in U S waters in real time
- MarineTraffic: Global Ship Tracking Intelligence | AIS Marine Traffic
Search the MarineTraffic ships database of more than 550000 active and decommissioned vessels Search for popular ships globally Find locations of ports and ships using the near Real Time ships map View vessel details and ship photos
- AIS transponders - IMO
Automatic identification systems (AIS) transponders are designed to be capable of providing position, identification and other information about the ship to other ships and to coastal authorities automatically
- What is an Automatic Identification System (AIS)? - Merchant Navy Decoded
What is AIS? International regulations mandate AIS, or Automatic Identification System, as a maritime safety system It allows vessels to broadcast and receive vital information, aiding in collision avoidance, navigation, and maritime traffic management
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