A fishfinder is a type of fathometer, both being specialised types of echo sounding systems, a type of Active SONAR (`Sounding` is the measurement of water depth, a historical nautical term of very long...
The Humminbird 595c International X model "CE" marked for UK/Europe HD Colour 5" screen, the perfect small boat unit or large boat scond bak up station. Crystal clear screen, withj accurate gps plotter and...
Bats (Chiroptera) are mammals that have evolved to fly. There are 16 resident species of bat in Britain, making up a third of our land mammal species. They feed on flying insects especially flies, midges,...
(see my guide on flying bats and bat detectors)bats use sonar . The bat makes a loud noise, at a pitch above our hearing range Although the sounds made by bats for echolocation are very loud you can't normally...
