THE 5-SECOND TRICK FOR HYDROGRAPHIC SURVEY IN DHAKA

In the event the wire (set at a certain depth by a technique of weights and buoys) encountered an obstruction, it could turn into taut and kind a "V," revealing the depth and placement of submerged rocks and other obstructions.This problem was solved employing multi-beam sounders that captured significant swathes of the surface in a single pass.Mea