Phase angle Polarization Error (degree) (%) (%) 5 -4.3 0.6 10 -3.7 0.8 15 -0.8 0.7 20 0.2 0.8 25 5.1 0.8 30 6.2 0.7 40 15 0.6 50 17.7 0.6 60 23.9 0.6 70 26.1 0.6 80 28.8 0.6 90 29.5 0.6 100 0.5 110 21 0.4 120 20.2 0.3 130 16 0.4 140 8.8 0.4 150 5.9 0.4 160 0.4 165 0.5