Phase angle Polarization Error (degree) (%) (%) 10 2.0 1.1 15 0.5 0.8 20 0.9 0.9 25 2.9 0.8 30 4.9 0.9 40 5.0 0.9 50 4.3 0.9 60 4.2 0.9 70 8.0 0.8 80 9.6 0.8 90 10.1 0.8 100 7.9 0.8 110 7.9 0.7 120 6.9 0.8 130 5.7 0.7 140 5.2 0.7 150 1.4 0.7 160 -0.1 0.6 165 1.3 0.6