THE 5-SECOND TRICK FOR HYDROGRAPHIC SURVEY IN BANGLADESH

Information lower than 3dB can not be employed because it determines the most profiling number of the tools. It may be seen that SNR is near to 0 dB past 10m-12m depth. Again, through slack drinking water, the Lower off line for 3dB extends further than due to the existence of superior turbidity inside the drinking water columns.These charts includ