From CC to COG — convert the course step by step from compass back to chart course
| Course | Model or input | Value |
|---|---|---|
| CC Compass course (CC) |
||
| Deviation |
|
|
| = MC Magnetic course |
— | |
| Variation 🧭 Auto (Danish waters) |
|
|
| = TC True course |
— | |
| Leeway |
|
|
| = CTW Course through the water |
— | |
| Current |
|
|
| = COG Course over ground (the chart course) |
— |