Phase angle Polarization Error (degree) (%) (%) 10 -2.3 1.7 15 -4.9 1.3 20 -2.8 2.2 25 3.4 2.3 30 3.4 2.6 40 5.3 2.4 50 6.1 1.4 60 5.7 2.1 70 10.4 2.4 80 9.9 2.9 90 9.1 2.5 100 11.9 2.6 110 19 2.6 120 15.1 2.6 130 18 1.3 140 15 0.7 150 8.1 1.9 160 0.6 2.2 165 1.2 2.0