FIELD: geodesy; navigation.
SUBSTANCE: on-ground gyrocompass has temperature-controlled internal cavity. Gyrocompass has thermocouple. Floated-type gyroscope and vertical line detector are used as sensitive elements.
EFFECT: improved precision in wider temperature range.
3 cl, 3 dwg
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Authors
Dates
2004-12-10—Published
2003-10-16—Filed