THE FACT ABOUT HYDROGRAPHIC SURVEY IN DHAKA THAT NO ONE IS SUGGESTING

Facts lower than 3dB can't be applied as it determines the most profiling range of the gear. It might be viewed that SNR is near 0 dB beyond 10m-12m depth. Once more, all through slack h2o, the cut off line for 3dB extends beyond because of the existence of higher turbidity from the drinking water columns.After analyzed, The placement could be mark