WHAT DOES HYDROGRAPHIC SURVEY IN DHAKA MEAN?

Knowledge a lot less than 3dB can't be made use of mainly because it determines the maximum profiling selection of the gear. It could be witnessed that SNR is close to 0 dB beyond 10m-12m depth. Yet again, throughout slack drinking water, the Slice off line for 3dB extends further than because of the presence of high turbidity while in the water co