Subrata Sarker¹, Auvro Biswas², Md. Rimon Hossain², Fairuz Faria Saika¹, Lilian A Krug³ and Sophie Seeyave⁴, (1)Shahjalal University of Science and Technology, Department of Oceanography, Sylhet, Bangladesh, (2)Shahjalal University of Science and Technology, Department of Electrical and Electronics Engineering, Sylhet, Bangladesh, (3)Partnership for Observation of the Global Ocean (POGO), Centre of Marine Sciences of the Algarve (CCMAR), Faro, Portugal, (4)Partnership for Observation of the Global Ocean (POGO), Plymouth, United Kingdom