SEATRACE

People who practice sea sports (kitesurfing, surfing, windsurfing ...) use expensive sport equipment that needs to be geolocalized... In order to geo-localize objects at the sea, you have to use big devices, with high power transmission and expensive satellite channels... We can geo-locate objects drifting up to 12 nautical miles from the coast with a small device that stays in the palm of a hand.