Phase angle Polarization Error (degree) (%) (%) 8 1.0 0.8 10 3.9 1.0 15 5.5 0.9 20 6.1 0.9 25 8.4 0.8 30 9.7 0.7 40 11.1 0.8 50 17.4 0.8 60 24.2 0.8 70 31.3 0.8 80 40.3 0.6 90 45.5 0.9 100 54.6 0.8 110 66.9 0.6 120 64.9 0.6 130 51.7 0.8 140 40.8 0.9 150 30.2 0.4 160 12.6 0.2 165 2.9 0.2