For sale: Side Scan Sonar 600KHZ Marine Sonic Technology Inc. Used and ready to use. This unit is capable of a maximum scanning range of up to 125 to 140 meters per side under ideal conditions, providing a total sweep width of up to 280 meters in a single pass. With a very narrow horizontal beam width of 0.4° (one direction) and a vertical beam width of 24°, it focuses acoustic energy to maximize edge definition. The unit's resolution is 0.5 cm to 1.5 cm across, allowing the operator to distinguish small and soft targets.