Phase angle Polarization Error (degree) (%) (%) 10 3.1 1.1 15 2.6 1.0 20 3.2 1.0 25 5.4 1.0 30 5.6 1.0 40 3.6 0.9 50 3.5 0.9 60 4.7 1.0 70 5.7 0.8 80 5.4 0.9 90 4.5 0.9 100 5.0 0.9 110 3.0 0.9 120 4.2 0.9 130 2.5 0.8 140 4.3 0.8 150 1.7 0.8 160 4.5 1.0 165 0.2 0.8