Phase angle Polarization Error (degree) (%) (%) 10 0.5 2.0 15 -0.7 1.7 20 0.8 1.7 25 2.8 1.5 30 8.1 1.6 40 13.4 1.7 50 16.3 1.6 60 18.1 1.6 70 22.5 1.6 80 25.2 1.7 90 24.7 2.3 100 24.8 1.4 110 20.4 2.3 120 16.3 2.3 130 13.3 2.1 140 10 2.4 150 5.9 1.6 160 4.9 1.3 165 5.3 1.0