Phase angle Polarization Error (degree) (%) (%) 10 0.4 1.0 15 0.0 0.9 20 2.5 0.9 25 2.0 0.8 30 4.4 0.8 40 5.7 0.8 50 5.2 0.9 60 6.1 0.8 70 6.8 0.9 80 9.8 0.9 90 11.1 0.8 100 10.5 0.7 110 10.6 0.8 120 7.3 0.7 130 6.0 0.7 140 4.3 0.7 150 2.5 0.6 160 2.5 0.6 165 1.1 0.8