Not known Factual Statements About Hydrographic Survey in Bangladesh
Hydrographic survey vessels employ both a multibeam sonar and towed aspect scan sonar to map the sea floor. Hydrographic Survey DetailsThe rise of latest electronic technologies – sidescan sonar and multibeam swath devices – in the nineteen fifties, sixties and 1970s eventually manufactured the wire-drag process obsolete. Sidescan sonar could c