Phase angle Polarization Error (degree) (%) (%) 10 1.8 0.9 15 0.9 0.8 20 0.9 0.9 25 3.5 0.8 30 3.9 0.8 40 6.2 0.8 50 5.1 0.9 60 4.7 0.9 70 8.7 0.8 80 9.2 0.8 90 8.7 0.8 100 8.8 0.9 110 8.0 0.8 120 7.2 0.7 130 5.7 0.6 140 3.7 0.6 150 1.1 0.6 160 1.3 0.6 165 -0.4 0.8