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1.
  • Pollinger, F., et al. (author)
  • Metrology for long distance surveying : A joint attempt to improve traceability of long distance measurements
  • 2016
  • In: IAG 150 Years. - Cham : Springer International Publishing. - 9783319246031 ; , s. 651-656
  • Conference paper (peer-reviewed)abstract
    • Based on the current state of technology, distance measurements over a few hundred metres in air with relative uncertainties significantly better than 10_6 are still an almost impossible challenge. In the European Joint Research Project (JRP) “Metrology for long distance surveying” measurement uncertainties in GNSS-based and optical distance metrology are going to be thoroughly investigated, novel technologies and primary standards developed and guidelines to improve surveying practice in the field worked out. A better understanding and a decrease of measurement uncertainty is also targeted for the critical local tie measurement at geodetic fundamental stations.
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2.
  • Rülke, A., et al. (author)
  • The antarctic regional GPS network densification : Status and results
  • 2016
  • In: IAG 150 Years proceedings of the 2013 IAG Scientific Assembly, Postdam, Germany, 1-6 September, 2013. - Cham : Springer. - 9783319246031 ; , s. 133-139
  • Conference paper (peer-reviewed)abstract
    • We report on the activities related to the IAG Subcommission 1.3f “Regional Reference Frame for Antarctica”. Campaign-style GPS observations have been carried out since 1995. Based on the Bernese GNSS Software the latest analysis yields results for about 30 stations aligned to the terrestrial reference frame solution IGS08. The obtained station motions are discussed in the context of plate kinematics and glacial-isostatic adjustment. It is demonstrated that the activities are a valuable contribution both to the ITRF densification in Antarctica and to geodynamic research.
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