One of the mysteries of the English language finally explained.
A nonmagnetic compass in which the direction of true north is maintained by a continuously driven gyroscope whose axis is parallel to the earth's axis of rotation.
- ‘Simultaneous computer readings of the ship's gyrocompass and GPS were made every 2 seconds, and these data were used to correct for the direction and movement of the ship during all trackings.’
- ‘A commercial GPS attitude-determination system and a gyrocompass served as reference systems during some tests; surprisingly, the gyrocompass performed quite well at such high latitudes, although settling took many hours.’
- ‘The gyrocompass was invented by a young German art historian.’
- ‘Unlike a conventional gyrocompass that typically must operate for an hour or more before it can provide useful information, the GPS compass is usually ready for use in less than five minutes.’
- ‘When it reached its target, a gyrocompass and timing device in the rear sent it into a steep, spinning, near-vertical dive which stalled the engine.’
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