Hybrid Velocity Derived Heading Reference System.
Abstract
This invention relates to a device and method which can be used in any type of moveable vehicle, be it aircraft, land vehicle or marine vessel, to provide a dependable and accurate true heading reference. It provides an accurate and constantly updated readout of the vehicles present direction of travel relative to the earth's latitude and longitude coordinate system. The invention provides a novel and accurate true heading reference for vehicles which utilizes navigation satellite-derived velocities and other velocities derived from on-board equipment.
Document Details
- Document Type
- Technical Report
- Publication Date
- Mar 23, 1981
- Accession Number
- ADD008505
Entities
People
- Jack Gray
Organizations
- United States Army