Airmar GH2183 Heading Sensor with GPS Colour:Default All models have been IP68

All models have been IP68 tested and approved

Depth/Speed/Temperature: Depth and Temperature

Quick and easy to install

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Airmar GH2183 Heading Sensor with GPS Colour:Default All models have been IP68GPS and heading combined into one housing (saving installation time and money) Better than 1 heading accuracy in static conditions Best in class 2 heading accuracy in dynamic conditions Three axis solid state compass provides heading data Three axis accelerometer provides pitch and roll data Three axis rate gyro provides rate of turn data Only recreational heading sensor that uses a three axis rate gyro Compass calibration can be easily done on any