The Case for Expanded Use of Local Area Differential GNSS for Aviation

Randy Hartman, Tim Murphy

Abstract:	Use of Local Area Differential GNSS (LADGNSS) for civil aviation has been a topic which has received much attention over the recent years. Most of this attention has been devoted to DGNSS for precision approach and airport surface guidance applications. Several potentially beneficial applications of LADGNSS have not received serious consideration. This lack of interest has been due in part to the focus on space based augmentation to GNSS such as the WAAS and EGNOS. This paper explores the potential for LADGNSS to play an expanded role in navigation for civil aviation. This role may be complementary to the role of the envisioned space based augmentations. It is also possible that a suitable designed LADGNSS capability could provide a viable alternative augmentation architecture for regions not adequately or easily served by space based augmentations.
Published in:	Proceedings of the 11th International Technical Meeting of the Satellite Division of The Institute of Navigation (ION GPS 1998) September 15 - 18, 1998 Nashville, TN
Pages:	517 - 527
Cite this article:	Hartman, Randy, Murphy, Tim, "The Case for Expanded Use of Local Area Differential GNSS for Aviation," Proceedings of the 11th International Technical Meeting of the Satellite Division of The Institute of Navigation (ION GPS 1998), Nashville, TN, September 1998, pp. 517-527.
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