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HartRAO/NRF

Evaluation of PPN parameter Gamma as a test of General Relativity using SLR data Ludwig Combrinck HartRAO 16 th International workshop on laser ranging Poznan, Poland, October 2008. HartRAO/NRF. Gamma estimated as a solve-for parameter in least-squares sense

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HartRAO/NRF

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  1. Evaluation of PPN parameter Gamma as a test of General Relativity using SLR dataLudwig CombrinckHartRAO16th International workshop on laser rangingPoznan, Poland, October 2008 HartRAO/NRF

  2. Gamma estimated as a solve-for parameter in least-squares sense • RMS of O-C used as criteria for filter to reduce effect of mismodelling • SLR strength is 2-way range, and GR radial acceleration is mostly radial • Results preliminary, longer time span, combination of LAGEOS/LAGEOS II and evaluation of different gravity models to follow, effects of modelling improvement should be apparent in errors

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