Phase angle Polarization Error (degree) (%) (%) 10 1.2 0.6 15 3.2 0.8 20 3.5 0.5 25 3.9 0.6 30 4.6 0.6 40 6.1 0.6 50 6.6 0.6 60 5.8 0.6 70 8.1 0.7 80 7.4 0.5 90 11.2 0.5 100 8.6 0.5 110 10.3 0.5 120 9.0 0.5 130 9.5 0.4 140 7.8 0.6 150 6.9 0.6 160 3.5 0.8 165 2.8 0.8