GPT2: Empirical slant delay model for radio space geodetic techniques

  title={GPT2: Empirical slant delay model for radio space geodetic techniques},
  author={K. Lagler and Michael Schindelegger and J. B{\"o}hm and Hana Kr{\'a}sn{\'a} and Tobias Nilsson},
  booktitle={Geophysical research letters},
Up to now, state-of-the-art empirical slant delay modeling for processing observations from radio space geodetic techniques has been provided by a combination of two empirical models. These are GPT (Global Pressure and Temperature) and GMF (Global Mapping Function), both operating on the basis of long-term averages of surface values from numerical weather models. Weaknesses in GPT/GMF, specifically their limited spatial and temporal variability, are largely eradicated by a new, combined model… CONTINUE READING
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