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.
At a length of more than 50 feet (15 metres) and a mass of nearly 50 tons (tonnes), Megalodon was both larger and heavier than Tyrannosaurus rex.* In fact, Megalodon is the largest predatory fish that ever lived and is second only to the Sperm Whale (Physeter macrocephalus) as the largest predator our planet has ever produced.