Phase angle Polarization Error (degree) (%) (%) 10 -0.6 0.8 15 1.7 1.1 20 5.4 1.0 25 6.7 1.1 30 7.8 1.0 40 8.3 1.0 50 6.5 0.9 60 7.0 1.0 70 8.7 1.0 80 10.2 1.0 90 9.5 0.9 100 8.1 0.9 110 7.1 0.9 120 4.1 0.9 130 4.3 0.9 140 3.8 0.8 150 5.0 0.9 160 -0.9 0.6 165 -2.9 0.6