Phase angle Polarization Error (degree) (%) (%) 8 -4.2 1.5 10 -2.8 1.3 15 -0.8 1.0 20 1.8 1.2 25 2.6 1.0 30 3.7 1.5 40 4.9 1.6 50 6.7 2.0 60 7.3 2.1 70 8.1 2.2 80 10.9 2.1 90 12.4 2.2 100 15.4 2.4 110 17.0 2.7 120 12.5 1.9 130 12.0 2.0 140 5.9 1.6 150 3.6 1.6