Circular model | 1976 | 1991 | 2000 | 2005 | 2011 | 2015 |
Sill | 0.0015 | 0.0012 | 0.0007 | 0.0011 | 0.0008 | 0.0010 |
Range (m) | 700.5 | 762.5 | 797.9 | 1100.7 | 1079.1 | 1200.6 |
Root-mean-square (RMS) | 0.031 | 0.038 | 0.017 | 0.017 | 0.028 | 0.023 |
Average standard error | 0.002 | 0.006 | 0.016 | 0.060 | 0.013 | 0.054 |
Mean standardized | 0.001 | 0.033 | 0.021 | 0.017 | 0.007 | 0.015 |
Root-mean-square-standardized | 1.591 | 1.681 | 1.657 | 1.613 | 1.672 | 1.651 |