International Future Navigation Needs: Options and Concerns

Rolf Johannessen

Abstract:	The paper examines likely needs which can be foreseen from civil users of navigation systems, be they aviation, marine or land. Differences between users in the USA and in EUROPE are considered. The need for full international discussion is stressed as a pre-requisite for trust in the system. It is also argued that the USA has as much to gain from such discussion as has the rest. of the world. The paper concentrates on GPS which is seen as a considerable advance on earlier navigation systems. Nevertheless, the international community has several -anxieties. Selective availability is likely to hurt US users as much as those in Europe and the integrity issue is an area where international discussion and cooperation is considered to be particularly valuable.
Published in:	Proceedings of the 43rd Annual Meeting of The Institute of Navigation (1987) June 23 - 25, 1987 Dayton, Ohio
Pages:	7 - 12
Cite this article:	Johannessen, Rolf, "International Future Navigation Needs: Options and Concerns," Proceedings of the 43rd Annual Meeting of The Institute of Navigation (1987), Dayton, Ohio, June 1987, pp. 7-12.
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