GPS for Avionics Synchronization

James L. Farrell

Abstract:	Integration of multiple avionics subsystems driven by separate internal clocks requires close attention to the timing of signals from each "box." Before GPS an artificial computational synchronization was customarily employed; procedures were reasonably useful but operationally cumbersome. While those procedures might be retained as backup, there are more expeditious methods when GPS is available. From various approaches briefly described herein, an interpolation with repetitive resets is scrutinized at length. Usage with low-cost IMU data is successfully demonstrated via plots of typical results.
Published in:	Proceedings of the 14th International Technical Meeting of the Satellite Division of The Institute of Navigation (ION GPS 2001) September 11 - 14, 2001 Salt Palace Convention Center Salt Lake City, UT
Pages:	3149 - 3152
Cite this article:	Farrell, James L., "GPS for Avionics Synchronization," Proceedings of the 14th International Technical Meeting of the Satellite Division of The Institute of Navigation (ION GPS 2001), Salt Lake City, UT, September 2001, pp. 3149-3152.
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