Phase angle Polarization Error (degree) (%) (%) 8 -2.6 1.3 10 -4.5 1.0 15 -2.4 1.0 20 1.6 0.9 25 2.8 0.9 30 3.3 0.7 40 6.4 1.0 50 12.0 1.1 60 12.9 1.0 70 20.3 1.1 80 26.6 1.1 90 27.6 1.1 100 26.2 1.2 110 21.2 1.0 120 18.7 1.1 130 15.1 1.1 140 11.6 1.1 150 5.7 0.9 160 5.3 0.7 165 4.5 0.8