Phase angle Polarization Error (degree) (%) (%) 20.0 1.5 2.5 30.0 6.2 2.5 40.0 7.6 2.5 50.0 9.1 2.5 60.0 12.7 2.5 70.0 11.7 2.5 80.0 12.1 2.5 90.0 12.9 2.5 100.0 12.3 2.5 110.0 12.6 2.5 120.0 9.1 2.5 130.0 7.7 2.5 140.0 4.3 2.5 150.0 2.1 1.3 160.0 2.0 0.6