Data less than 3dB can't be utilized since it establishes the maximum profiling number of the devices. It could be observed that SNR is close to 0 dB over and above 10m-12m depth. Again, throughout slack drinking water, the Minimize off line for 3dB extends over and above due to https://daltonfxfin.blogmazing.com/31719383/what-does-hydrographic-survey-in-bangladesh-mean