SRT Marine Systems plc, together with its subsidiaries, develops and supplies automatic identification system (AIS) based maritime domain awareness technologies, derivative products, and system solutions. It offers systems, such as DAS-Digital ATON, a system that links onshore and onboard navigation systems; NAIS-National Vessel Tracking, a vessel identification and tracking solution; MDM-Coastguard, a maritime border, as well as EEZ surveillance, command, and control system; VMS-Fisheries, a fishing boat tracking, monitoring, and management system; and VTS-Ports and Waterways, a monitoring and management system for maritime infrastructure, ports, and waterways. The company also provides AIS, VMS, search and rescue, and navigation transceivers; fishing buoy trackers; base stations; display and data solutions; satellite data solutions; OEM AIS transceivers; and transceiver modules, as well as develops, sells, and licenses maritime communication products. Its solutions are used in a range of maritime applications from safety and security to fishery management and environment protection. The company serves mariners, infrastructure owners, coast guards, and fishing authorities in Europe, the Middle East, North America, the United Kingdom, South East Asia, and internationally. The company was formerly known as Software Radio Technology Plc and changed its name to SRT Marine Systems plc in July 2016. SRT Marine Systems plc was founded in 1987 and is headquartered in Bath, the United Kingdom.