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Global AIS transceiver data collected from both satellite and internet-connected shore-based stations are aggregated and made available on the internet through a number of service providers. Data aggregated this way can be viewed on any internet-capable device to provide near global, real-time position data from anywhere in the world.
These devices may be either an AIS-SART (AIS Search and Rescue Transmitter) (from January 1, 2010), or a radar-SART (Search and Rescue Transponder). The AIS-SART derives position and time synchronization from a built in GNSS receiver. Once per minute, the position is sent as a series of eight identical position report messages (four on 161.975 ...
A operator of a global network of low orbit AIS satellites which use technology such as ABSEA to receive transmissions from Class B and Identifier type AIS VMS transceivers. Thrane & Thrane Dedicated computer with voice and email Inmarsat-C Geosynchronous satellite Honeywell or Skywave: Low-cost, small transceivers with integrated GPS Inmarsat-D+
Lloyd's List Intelligence (formerly Lloyd's MIU LLC) is an information service dedicated to the global maritime community. It is a sister company of Lloyd's List. [1]Lloyd's List Intelligence is an interactive online service offering detailed vessel movements, real-time AIS positioning, information on ships, companies, ports and casualties as well as credit reports, industry data and analysis ...
The identity of the vessel is sent digitally immediately after the ship's radio operator has finished talking and releases their transceiver's push-to-talk button. This contrasts to the Automatic identification system (AIS) used globally on ships that transmit continuously.
Conceptual of the ADS-B system, illustrating radio links between aircraft, ground station and satellite. Automatic Dependent Surveillance–Broadcast (ADS-B) is an aviation surveillance technology and form of electronic conspicuity in which an aircraft determines its position via satellite navigation or other sensors and periodically broadcasts its position and other related data, enabling it ...