Chuck Richards held a demo of the Didson Sonar and the Mesotech SM2000 last September with a number of customer on hand to witness these two sonars in action. In the picture below from the left to right are CA with C. A. Richards & Assoc., Bob Asplin one of the founders of Kongsberg Mesotech, Lou Cranek, CEO The Institute of Robotics and Chuck Richards, V. P. C. A. Richards & Assoc.