Phase angle Polarization Error (degree) (%) (%) 10 -1.8 1.1 15 3.3 1.0 20 2.7 0.9 25 2.7 0.7 30 2.1 0.8 40 3.0 0.8 50 5.2 0.8 60 5.3 0.8 70 5.4 0.7 80 5.3 0.7 90 8.8 0.7 100 6.6 0.7 110 6.5 0.7 120 4.4 0.6 130 3.5 0.6 140 2.1 0.5 150 1.9 0.5 160 1.3 0.6 165 1.3 0.5