NOT KNOWN FACTUAL STATEMENTS ABOUT HYDROGRAPHIC SURVEY

Facts under 3dB cannot be utilized since it determines the utmost profiling variety of the devices. It could be observed that SNR is close to 0 dB beyond 10m-12m depth. All over again, through slack water, the Slice off line for 3dB extends outside of as a result of existence of substantial turbidity while in the h2o columns.This problem was solved