The Sonardyne tsunami detection system is based on a Compatt 6 subsea transponder that uses the latest Wideband acoustic signal technology to provide robust through water communications in difficult acoustic conditions.
exists and is an alternate of . The Megalodon was approximately 40 feet (12 metres) long, although fossil records show that they could often grow as large as 78 feet (18 metres). So if you were to stand the Megalodon on its nose it would be as tall as a six story building.
Diagnostic characteristics include: triangular shape, robust structure, large size, fine serrations, and visible V-shaped neck. C. megalodon teeth can measure over 180 millimetres (7.1 in) in slant height or diagonal length, and are the largest of any known shark species.