Phase angle Polarization Error (degree) (%) (%) 5 -2 1.8 10 -3.8 1.6 15 3.1 1.5 20 7 1.4 25 12.1 1.4 30 14.3 1.5 40 17.4 1.4 50 22.1 2.3 60 26.5 2.5 70 29.9 2.1 80 30.5 2 90 32.2 2 100 30.9 2 110 30.3 2 120 25.7 2 130 21.1 1.3 140 19.2 2.3 150 14.9 2.3 160 12.1 2.3 165 11.7 2.4