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USING COMBINED GPS AND LASER TEHNIQUES FOR HEIGHT DETERMINATION

R. Paar, A. Marendic, K. Babic, J. Vladanovic

First published: 2008DOI pendingView metrics

Abstract

GPS RTK method has never achieved millimetre vertical accuracy. For the most common geodetic tasks such as surveying, staking out and monitoring, GPS RTK method in many cases has been limited by its measuring accuracy. Before the appearance of the new Topcon Lazer ZoneTM technology, we were able to achieve centimetre vertical accuracy (from 1 to 3 centimetre) using GPS RTK systems. Combining Topcon Lazer ZoneTM technology and Topcon GPS RTK HiPer Pro system accuracy of height determination can be increased to a millimetre level. Comparison of the above mentioned system and the conventional methods of the height determination will be presented in this paper. Elevation will be measured by geometric levelling method, trigonometric levelling method and GPS RTK method. This paper will try to examine whether it is possible to achieve millimetre vertical accuracy declared by manufacturer. Then the Topcon Lazer ZoneTM technology will be compared with the conventional methods. Finally, advantages, possible disadvantages, and accuracy of Topcon Lazer ZoneTM system will be shown in this paper.

Publication details

Title
USING COMBINED GPS AND LASER TEHNIQUES FOR HEIGHT DETERMINATION
Authors
R. Paar, A. Marendic, K. Babic, J. Vladanovic
Proceedings
8th International Scientific Conference - SGEM2008
Publisher
SGEM Scientific GeoConference
Year
2008
Pages
477-484
SWS Citekey
Paar2008477484
ISSN
1314-2704
ISBN
954-918181-2
Language
en
Publication type
Conference Paper
Keywords
GPSaccuracyheight determinationlaser technology
References11

  1. Jankovic, M. Engineering Geodesy 3, Liber, Zagreb, 1980.\

  2. Leica. TPS 1200 user manual, Leica geosystems AG, Heerbrugg, Switzerland, 2004.

  3. Leica. DNA03 user manual, Leica geosystems AG, Heerbrugg, Switzerland, 2006.

  4. Topcon. HiPer Pro operator's manual. Topcon Positioning Systems, Ine; Livermore, California, USA, 2006.

  5. Percic, S. Testing the precision of digital level Leica DNA03 according to ISO 17123-2, Thesis, Faculty of Geodesy, University of Zagreb, Zagreb, 2007.

  6. URL-1: http://www.topconeurope.com/index.asp?pageid= 8087c897f0a74d79b59ad bee27772478, Millimetre GPS+, 11.01 .2007.

  7. URL-2: http://www.topconeurope.com/img/pdf/pdf_GPS/Leaflet%20 MM_GPS_En glish_ web.pdf, Millimetre GPS+, 11.01 .2007.

  8. URL-3 : http://www.topconeurope.com/index.asp?pageid=54130172f6ab4f8c9362bd 35d4c9b92a, GPS + GLONASS, 11.01.2007.

  9. URL-4: http://www.topconeurope.com/index.asp?pageid=d62f2fdf00924365b792d5 ace 13 a86f f&q=HIPERPRO, HiPer Series, 11.01.2007.

  10. URL-5: http://www.topconca.com/products_pl_ea.html, Topcon California - Products, 11.01.2007.

  11. URL-6: http://www.topcon.com.au/news/milli.htm, Topcon Millimetre - GPS, 11.01.2007.

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