Phase angle Polarization Error (degree) (%) (%) 8 -0.2 1.4 10 -0.6 1.4 12 1.4 1.3 15 3.3 1.4 17 2.8 1.1 20 4.5 0.8 23 3.2 0.9 25 4.1 1.2 27 6.3 1.1 30 5.3 1.0 40 6.2 1.1 50 12.0 1.6 60 13.4 1.7 70 19.1 1.9 80 29.7 1.7 90 39.7 1.4 100 49.3 1.5 110 62.8 1.1 120 60.7 1.1 130 47.8 1.9 140 30.6 2.1 150 23.5 1.9 160 9.3 2.1