Apply to reservoir, river and some area where is difficult to arrive by boat
Apply to some area where people are difficult or dangers for surveying
Advantages of new type USV
① Jet pump filter： At the bottom of the jet pump propeller，to prevent weeds, garb age, and gravel from flowing through the water into the jet pump thrusters, causing the thrusters to clog.
② Can go across some obstacle on the water surface.
③ Portable and wireless real-time communication.
④ Survey line accuracy is less than 1m(compare with design survey line), and different depth display different color.