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Satellite Tracking
Alongside AIS, there are a number of other ways to track a vessel, some well-established mechanisms used for a long period of time, as well as some significantly newer services which have been enabled by the reduction in cost of space and satellite technologies.
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Alongside AIS, there are a number of other ways to track a vessel, some well-established mechanisms used for a long period of time, as well as some significantly newer services which have been enabled by the reduction in cost of space and satellite technologies:
Radio Frequency (RF) tracking in maritime contexts involves the use of RF signal detection and analysis to monitor and track the movements and communications of ships, aiding in navigation, collision avoidance, and security monitoring.
Optical satellite imagery is utilised to visually capture and identify ships at sea, enabling the monitoring of maritime traffic and activities globally.
Synthetic Aperture Radar (SAR) is used in maritime surveillance to detect and track ships by providing high-resolution images, regardless of weather conditions or time of day, through the use of radar signals that can penetrate cloud cover and darkness.
To better categorise these in this context we’ll split them into the following categories:
RF Tracking
Imagery and environment tracking: Optical and SAR