NOT KNOWN DETAILS ABOUT HYDROGRAPHIC SURVEY IN BANGLADESH

Facts a lot less than 3dB can't be utilized because it determines the maximum profiling number of the tools. It may be seen that SNR is close to 0 dB beyond 10m-12m depth. All over again, during slack drinking water, the cut off line for 3dB extends further than due to presence of significant turbidity inside the h2o columns.BN places appreciable m