COG True based on COG Magnetica and Magnetic Variation

SignalK / signalk-derived-data

Generates deltas for values derived from signalk values

Apache License 2.0

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COG True based on COG Magnetica and Magnetic Variation #92

Closed raffmont closed 2 years ago

raffmont commented 3 years ago

Added deriving navigation.courseOverGroundTrue from navigation.courseOverGroundMagnetic and navigation.magneticVariation. The calculation code si similar to headingTrue.js