Phase angle Polarization Error (degree) (%) (%) 10 4.1 4.5 15 7.6 5.0 20 8.8 5.0 25 9.5 5.0 30 10.5 5.0 40 11.4 5.0 50 17.1 5.0 60 16.3 5.0 70 18.2 5.0 80 14.8 5.0 90 15.6 4.5 100 19.3 4.3 110 14.5 4.4 120 10.2 4.6 130 6.9 4.1 140 4.8 4.0 150 5.5 3.7 160 3 3.0 165 1.3 2.4