Is there utility in rigorous combinations of VLBI and GPS Earth orientation parameters ?

  title={Is there utility in rigorous combinations of VLBI and GPS Earth orientation parameters ?},
  author={Jeffery Ryan Ray and Jan Kouba and Zuheir Altamimi},
Combinations of station coordinates and velocities from independent space-geodetic techniques have long been the standard method to realize robust global terrestrial reference frames (TRFs). In principle, the particular strengths of one observing method can compensate for weaknesses in others if the combination is properly constructed, suitable weights are found, and accurate co-location ties are available. More recently, the methodology has been extended to combine time-series of results at… CONTINUE READING


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