Phase angle Polarization Error (degree) (%) (%) 5 -3.4 1 10 0.9 1 15 3 0.8 20 5.8 0.8 25 8.1 0.9 30 12.1 0.9 40 14.1 1 50 16.9 1 60 19 1 70 21.2 1 80 21.9 1.2 90 20.8 1 100 20.8 1 110 18 0.9 120 14.1 0.7 130 11.5 0.6 140 4.4 0.6 150 0.2 0.5 160 0.6 165 0.6