TOP GUIDELINES OF HYDROGRAPHIC SURVEY IN DHAKA

Information a lot less than 3dB can't be used since it decides the utmost profiling range of the tools. It may be viewed that SNR is near 0 dB past 10m-12m depth. Once again, all through slack water, the Reduce off line for 3dB extends over and above mainly because of the existence of high turbidity inside the water columns.This survey will gather