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A COMPARISON WITH ORTHOMETRIC HEIGHTS OBTAINED BY REAL TIME KINEMATIC AND BY LOCAL GEOID MODEL, CASE STUDY IN ADANA

İsmail Şanlıoğlu

First published: 2011-06-20https://doi.org/10.5593/sgem2011/s07.101View metrics

Abstract

The aim to the research was to compare or thometric heights, de termined by real-time kinematic (RTK) Global Positioning System observations and local geoid models in Adana city, Turkey. GPS network had been established according to Large Scale Map and Map Information Production Regulations (LSM&MIPR) in Adana metropolitan city at 2008. In study field total area is 663.05 km2 451 stations which are 2 items Turkish National Fundamental GPS Network (TUTGA ) points, 6 stations graded by C1, 35 stations graded by C2 and 410 stations graded by C3 appropriately to BSH&MIPR. Geometric leveling had been carried out to determine orthometric heights of unknown heights of stations using by digital levels. Adana geoid model had been determined using second order-nine parameter multi- quadratic surface fitting benefiting 409 control points. Root mean square of model is ± 2.3 cm. Geoid undulations of 30’’x30’’ spacing grid points were computed from Adana geoid parameters to use in regional geoid model file (rgm format) for Topcon RTK GPS receivers. The orthometric he ights obtained by Topcon rece ivers have been compared with original heights in the chosen test area. Key words: GPS, RTK, geoid determination, surface fitting

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Publication details

Title
A COMPARISON WITH ORTHOMETRIC HEIGHTS OBTAINED BY REAL TIME KINEMATIC AND BY LOCAL GEOID MODEL, CASE STUDY IN ADANA
Authors
İsmail Şanlıoğlu
Proceedings
SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; SGEM2011 11th International Multidisciplinary Scientific GeoConference
Publisher
Stef92 Technology
Year
2011
Pages
Not available yet
ISSN
1314-2704
ISBN
Not available yet
Language
en
Publication type
Conference Paper
References9

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