Phase angle Polarization Error (degree) (%) (%) 10 0.9 0.9 15 0.3 0.8 20 0.7 0.6 25 2.5 0.6 30 3.5 0.7 40 3.9 0.6 50 4.1 0.7 60 3.4 0.5 70 4.2 0.6 80 5.8 0.6 90 6.0 0.6 100 4.3 0.7 110 5.1 0.6 120 5.1 0.7 130 5.0 0.6 140 4.9 0.7 150 5.0 0.7 160 4.7 1.0 165 4.2 1.0