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Evaluation of GNSS Monument Stability

  • R. HaasEmail author
  • S. Bergstrand
  • W. Lehner
Conference paper
Part of the International Association of Geodesy Symposia book series (IAG SYMPOSIA, volume 138)

Abstract

We report on an evaluation of the stability of four different GNSS monuments that was conducted in the summer of 2010. The monuments were monitored by forward intersections using a survey system consisting of two robotic total stations and a set of retro reflecting prisms. The system was operated for almost 3 months, performing observations in two faces with a repetition cycle of 5min. Movements in excess of 6 mm were detected. The results show clear evidence that the detected deformations are related to variations in temperature and solar radiation and can be suppressed by simple shielding of the monument. Furthermore, our project is a step towards the realization of continuous cartesian connections at geodetic fundamental stations.

Keywords

Geodetic monitoring GNSS monuments Local-tie monitoring Fundamental geodetic stations Global geodetic observing system (GGOS) Co-located space geodetic techniques Continuous cartesian connections (CCC) 

Notes

Acknowledgement

We thank Christer Thunell from Leica Geosystems Sweden, Magnus Herbertsson from SP Technical Research Institute of Sweden, Lasse Wennerbäck, Christer Hermansson, and Håkan Millqvist from the OSO workshop for their support.

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Copyright information

© Springer-Verlag Berlin Heidelberg 2013

Authors and Affiliations

  1. 1.Department of Earth and Space SciencesChalmers University of TechnologyOnsalaSweden
  2. 2.SP Technical Research Institute of Sweden, Measurement TechnologyBoråsSweden
  3. 3.Institute of Geodesy and GeophysicsVienna University of TechnologyWienAustria

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