Phase angle Polarization Error (degree) (%) (%) 8 -4.2 2.4 10 -4.1 1.8 15 2.3 1.9 20 3.2 1.7 25 5.6 1.6 30 7.0 2.2 40 11.4 2.0 50 19.3 2.9 60 24.6 2.4 70 31.7 2.7 80 39.3 2.9 90 40.5 2.8 100 43.8 2.8 110 43.2 2.6 120 41.7 2.4 130 34.6 2.5 140 26.2 2.3 150 20.0 1.9 160 9.1 1.8 165 7.5 1.5