GPSの船舶における利用環境条件評価

概要

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GPS has best accuracy in radionavigation system and popularizes worldwide. However, GPS can not be satisfied with required accuracy in restricted waters accepted geographical effects such as harbor and harbor approach including narrow channel. So, operation of DGPS expects for marine user. But, evaluation of possibility to use GPS or DGPS concerning required accuracy does not have carried out. The authors developed the system to be able to evaluate regional effects, and so in this paper we discuss the evaluation parameters and construction of database of geographical information and presented their examples. In conclusion, by means of using this system, we got the possibility of sailing hours' usage in any waters, and it becomes to able to establish an environmental condition for satisfying required accuracy of navigation in restricted waters.
社団法人日本航海学会の論文
1996-09-25