Phase angle Polarization Error (degree) (%) (%) 10 2.0 1.1 15 0.2 0.9 20 1.7 0.9 25 2.5 0.9 30 4.8 0.8 40 6.1 0.9 50 5.8 0.9 60 7.0 0.8 70 9.7 0.9 80 12.7 0.9 90 12.3 0.7 100 14.3 0.8 110 13.4 0.7 120 9.2 0.7 130 6.0 0.7 140 4.5 0.7 150 2.7 0.6 160 4.0 0.7 165 1.7 0.7