Reducing satellite orbit error effects in near real-time GPS zenith tropospheric delay estimation for meteorology

@inproceedings{GeReducingSO,
  title={Reducing satellite orbit error effects in near real-time GPS zenith tropospheric delay estimation for meteorology},
  author={Maorong Ge and Eric Calais and Jennifer Haase ACRI}
}
We investigate the influence of using IGS predicted orbits for near real-time zenith tropospheric delay determination from GPS and implement a new processing strategy that allows the use of predicted orbits with minimal degradation of the ZTD estimates. Our strategy is based on the estimation of the three Keplerian parameters that represent the main error sources in predicted orbits (semi-major axis, inclination, and argument of perigee), and their associated variance directly from the realtime… CONTINUE READING

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