1 | Define the vessel coordinate system. |
2 | Define the location of the origin in the coordinate system. If required, identify the location with a physical marking. |
3 | Set out the required coordinate reference points throughout the vessel. |
4 | Define the vessel’s centre line. If required, identify the line with physical markings. |
5 | Measure the physical location of the transducer. |
6 | Measure the physical location of the motion reference unit (MRU). |
7 | Measure the physical location of the global positioning system (GPS) antenna. |