Phase angle Polarization Error (degree) (%) (%) 15 6.5 5.0 20 6.6 5.0 25 8.6 5.0 30 8.6 4.5 40 7.9 5.0 50 12.0 5.0 60 13.1 5.0 70 13.0 5.0 80 14.2 5.0 90 14.6 5.0 100 16.6 5.0 110 17.4 5.0 120 16.5 5.0 130 14.3 4.3 140 9.3 4.3 150 5.9 3.9 160 6.7 3.3 165 7.8 3.9