... GPS antenna, electronic gyro, tilt sensors 2,provide accurate position and heading Technical ParametersGPS Signal: Dual 12 channels; L1, C/ ... rate: Standard 10Hz,up to 20Hz(including location and orientation)Positioning accuracy DGPS 1.0m CEPOrientation accuracy: <0.5°RMSPitching angle ... : IP67ApplicationMarine surveying, dredging, engineering positioning, pipe/cables Marine Location and Orientation