Phase angle Polarization Error (degree) (%) (%) 10 0.9 1.0 15 -0.1 0.9 20 0.1 0.7 25 3.0 0.8 30 3.7 0.8 40 4.3 0.8 50 4.7 0.9 60 3.5 1.0 70 6.9 0.8 80 9.0 0.9 90 11.1 0.8 100 10.6 0.8 110 10.8 0.8 120 9.5 0.7 130 7.4 0.6 140 5.0 0.5 150 1.9 0.5 160 1.5 0.6 165 -1.6 0.7