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==Technology==
Electronic chartplotters are by nature [[Central Processing Unit|CPU]] (and GPU) intensive applications. Chartplotters need to retrieve the Navigation Signal (GPS,
Some navigation software can run on standard computers (and mobile phones, etc) but most higher end systems are dedicated hardware. Especially when the chartplotter generates three-dimensional displays, as used for fishing, considerable processing power and video memory may be required.
As with all marine systems, chart-plotters generally are not used alone. In commercial ships, they are integrated into a full system of marine instruments that can guide the ship under any conditions. These other instruments include [[Sonar]] transducers, integration with 2 Way Radio communication devices and emergency locators ([[EPIRB]]).
The integration of these devices is very important as it becomes quite distracting to look at several different screens. Therefore, displays can often overlay charting, radar, sonar into a single system. This gives the captain unprecedented instrumentation to maneuver the ship. With digital backbones, these devices have advanced greatly in the last years. For example, the newer ones have 3D displays that allow you to see above, below and all around the ship, including overlays of satellite imaging.
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