Phase angle Polarization Error (degree) (%) (%) 10 2.1 1.3 15 1.7 1.3 20 6.4 1.3 25 5.8 1.4 30 11.3 1.6 40 14.1 1.4 50 19.0 1.2 60 25.0 1.2 70 38.8 1.3 80 50.8 1.2 90 62.7 1.0 100 68.9 1.0 110 69.4 1.1 120 68.2 1.1 130 67.1 1.1 140 53.5 1.1 150 45.4 1.3 160 21.7 1.3