Phase angle Polarization Error (degree) (%) (%) 5 -3.7 1.2 10 -0.3 1.4 15 1.6 0.9 18 1.6 1.0 20 2.3 1.2 25 3.3 1.3 30 4.4 1.2 40 8.5 1.1 50 14.3 1.2 60 18.2 1.3 70 21.4 1.1 80 25.1 1.0 90 26.0 1.0 100 24.9 1.0 110 24.2 1.1 120 20.3 0.9 130 16.9 0.9 140 12.9 0.9 150 7.7 0.8 160 4.1 1.0 165 2.5 1.0