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May 12, 2017Nautical Gyro Compass
Gyro Compass is based on the principle of the gyro rotor pointing at high speed. -
May 12, 2017
Radio Positioning
Equipment for ships to use radio technology. -
May 12, 2017
Astronomical Positioning
Mainly in the case of the land mark, observing celestial positioning instruments -
May 12, 2017
Landmark Positioning
An instrument for the positioning of ships on coastal navigation. -
May 12, 2017
Track Projection
Equipment for track projection. -
May 12, 2017
Nautical Instruments
① Track projection instrument.