Vector Marine Electronics Ltd. took part in the 6th Russian scientific conference "Ecology 2011 – The Sea and the Man" held in Taganrog Technological Institute of SFedU in September, 21-23. A.N.Dolgov, Director-Chief designer, and M.A.Raskita, senior research assistant, made a report at the conference «Sonar signal simulator designed for debugging research sonar equipment used for aquatic bioresourses monitoring».