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Study of the Construction of Marine GIS through the Development of Ship-Navigation System Based on the Precise Coordinate Analysis of GPS  

장용구 (동의대학교 토목도시공학부)
문두열 (동의대학교 토목도시공학)
정범석 (동의대학교 토목도시공학부)
Publication Information
Journal of Korean Society of Coastal and Ocean Engineers / v.16, no.1, 2004 , pp. 39-46 More about this Journal
Abstract
In the GIS construction to land and sea in Korea, GIS construction on land was completed mostly for big cities by NGIS(National Geography Information System) business. However, Marine GIS being constructed by the National Oceanographic Research Institute is still constructing geography information and definition of attribute information and real condition. We have done researches to get maximized ripple effect linking GPS and Navigation techniques on GIS. GPS in accuracy is divided into navigation and precise surveying equipments. Now, GPS technology has been developed very much and with low price GPS equipments are being introduced. But costs on the GPS equipments are high yet. Therefore, the GPS equipments for navigation can be substituted by cheap GPS equipments in a car or ship. In this paper, the authors developed algorithm to convert ellipsoid coordinate between WGS84 and Bessel ellipsoid and to analyze map projection between BESSEL ellipsoid and UTM plane coordinate system. And the author developed ship navigation system with cheap GPS equipments using algorithm of ellipsoid conversion and map projection. The authors proposed the necessity on constructing Internet GIS to manage many ships.
Keywords
GPS; Ship Navigation System; TM; UTM; 3-parameter;
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