Phase angle Polarization Error (degree) (%) (%) 15 1.4 2.0 20 1.8 2.2 25 5.6 2.0 30 7.2 1.9 40 10.9 1.8 50 12.5 2.2 60 13.0 2.4 70 14.9 2.2 90 18.4 2.5 100 16.8 2.4 110 14.8 2.0 120 13.2 2.5 130 11.9 2.5 140 6.1 2.4 150 2.9 2.2 160 1.3 1.4 165 1.6 1.2