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Using information from 3 of GPS/GYRO/SPEED sensors enables high accuracy positioning. For example, the 3 sensors work and catch your car position even in locations in a tunnel/below an expressway/surrounded by tall buildings where it is difficult to receive GPS signals and then, the system can correct and display your current car positioin accurately. |
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Locations where it is difficult to receive GPS signals to measure your car position are as follows. |
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Surrounded by tall buildings |
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Below an expressway |
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In a tunnel |
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