An Evaluation of Precise Kinematic On-The-Fly GPS Positioning with Respect to a Moving Aircraft

Alan Evans, Bruce Hermann, Christopher Law, Benjamin Remondi, Thomas Briggs and Thomas Nelson

Abstract:	This paper evaluates the use of the Global Positioning System (GPS) to perform precise kinematic relative positioning when the reference antenna is located on a moving aircraft. This capability can be applied to the precise relative position of a number of vehicles that are within 30 km of each other but far from a land reference site. These applications include aircraft carrier landing, enhanced processing of dual aircraft radar or photogrammetric data, and testing of interceptor and target missiles. Test results are presented that use the kinematic On-The-Fly relative positioning procedure. The procedure uses L, and L, frequency pseudorange and phase measurements of the GPS to precisely determine dynamic relative position. This particular algorithm is capable of subdecimeter positioning accuracy with respect to a moving platform. Positioning is obtained with respect to both a fixed reference and a moving reference. The position of a fixed antenna located next to an aircraft runway is determined relative to an aircraft flying low over the runway. Alternately, the moving aircraft is also positioned with respect to the fixed site. Videometric truth data, obtained from the time-tagged images from two video cameras located near the runway, are used for relative positioning vector comparisons.
Published in:	Proceedings of the 8th International Technical Meeting of the Satellite Division of The Institute of Navigation (ION GPS 1995) September 12 - 15, 1995 Palm Springs, CA
Pages:	1623 - 1628
Cite this article:	Evans, Alan, Hermann, Bruce, Law, Christopher, Remondi, Benjamin, Briggs, Thomas, Nelson, Thomas, "An Evaluation of Precise Kinematic On-The-Fly GPS Positioning with Respect to a Moving Aircraft," Proceedings of the 8th International Technical Meeting of the Satellite Division of The Institute of Navigation (ION GPS 1995), Palm Springs, CA, September 1995, pp. 1623-1628.
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