TOP GUIDELINES OF HYDROGRAPHIC SURVEY IN DHAKA

Data fewer than 3dB can't be made use of because it establishes the utmost profiling range of the tools. It could be found that SNR is close to 0 dB past 10m-12m depth. Yet again, in the course of slack water, the Minimize off line for 3dB extends outside of as a result of presence of substantial turbidity within the drinking water columns.four.one