NASA NTRS · 19720000408
A simple dead-reckoning navigational system
Abstract
Simple navigation system is designed for vehicles operating in remote locations where it is not feasible to transport extensive equipment. System consists of four main components: directional gyrocompass to establish inertial direction; odometer to measure distance; signal processor to combine measured distance and direction; and sun compass to determine initial direction.
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Walls, B. F., Mastin, W. C., Broussard, P., Jr.. 1972-07-01. A simple dead-reckoning navigational system. https://ntrs.nasa.gov/citations/19720000408
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