MIDAS SHARE TIPS UPDATE: Set a course for marine innovator SRT - our tip is up 10% The English Channel is the busiest shipping route in the world.
More than 500 ships pass through the Channel every day, from cruise liners and ferries to fishing boats, oil tankers and military vessels.
SRT Marine Systems, a small, Somerset-based firm, pioneered the technology some 15 years ago and it is now used on hundreds of thousands of boats worldwide.
But SRT chief executive Simon Tucker has another arm to his business, offering full-service surveillance at sea via Maritime Domain Awareness Systems.
Under international maritime rules, ships need to ensure they have a 'transceiver' on board, a black box which shows where they are, where they are heading and where other vessels are in relation to them.