A SECRET WEAPON FOR HYDROGRAPHIC SURVEY IN DHAKA

Details less than 3dB cannot be applied mainly because it decides the most profiling range of the devices. It could be seen that SNR is near to 0 dB past 10m-12m depth. Once again, for the duration of slack water, the Lower off line for 3dB extends past as a result of existence of substantial turbidity in the drinking water columns.– The Chesapea