The answer is .
Ensure the latitude correction is linked to an external GPS (via NMEA) to eliminate manual error. Plan for a gyrosphere overhaul every 5–6 years to prevent catastrophic failure. yokogawa gyro compass
This report is for informational purposes. Always refer to the official Yokogawa Installation & Operation Manual for specific vessel applications. The answer is
Enter the Gyro. A gyro compass works on a completely different principle. It uses a rapidly spinning wheel (a gyroscope) and the rotation of the Earth to find True North —the geometric point around which the planet spins—rather than Magnetic North . It is immune to the magnetic interference of a steel ship. yokogawa gyro compass