App can enable Rotating mast angle compensation with a compass sensor and can calibrate the mast to 0° position.The NMEAkit™ device needs to be aligned with the boat’s heading. With the help of the OpenWind™ compass sensor, the NMEAkit™ will calculate the offset of the mast and give you the correct wind direction via a compatible NMEA gateway.The new NMEAkit™ will also work as a Bluetooth repeater for the OpenWind™ device.