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Table 1 Weighted mean (WM) and weighted root-mean-square (WRMS) differences between the VLBI estimates of the EOP and those from IERS 08 C04

From: Application of Kalman filtering in VLBI data analysis

  Kalman LSM
  WM WRMS WM WRMS
x-pol [ μas] −44.6 189.9 −48.6 199.4
y-pol [ μas] −3.2 212.5 −4.2 224.7
UT1-UTC [ μs] 4.2 12.1 4.3 12.5
dX [ μas] 42.6 172.3 35.8 186.1
dY [ μas] 61.9 155.4 62.2 170.5