Phase angle Polarization Error (degree) (%) (%) 10 -0.2 0.9 15 2.5 1.0 20 -1.4 0.9 25 -2 0.9 30 -2.1 0.8 40 -0.9 0.9 50 -1.1 0.7 60 -0.6 0.9 70 3.4 0.9 80 2.5 0.9 90 2.3 0.9 100 0.4 0.8 110 1.2 0.8 120 -0.8 0.8 130 -0.9 0.8 140 -0.9 0.7 150 -0.8 0.6 160 -2.3 0.8 165 0.6 0.7