THE BEST SIDE OF HYDROGRAPHIC SURVEY IN BANGLADESH

Hydrographic survey vessels benefit from each a multibeam sonar and towed aspect scan sonar to map the sea flooring. Hydrographic Survey KnowledgeMultibeam sonar steps the depth of the sea floor by examining some time it takes for sound waves to vacation from a boat to The ocean flooring and back again. It provides awesome element of the sea floor,