Phase angle Polarization Error 5.0 -4.9 1.6 10.0 -0.9 1.7 15.0 1.0 3.3 20.0 0.0 2.9 30.0 12.0 3.0 40.0 26.5 3.1 50.0 39.0 3.1 60.0 51.3 2.8 70.0 65.1 2.2 80.0 75.8 1.5 90.0 78.3 1.5 100.0 77.4 1.4 110.0 68.7 1.5 120.0 56.6 2.2 130.0 38.1 2.6 140.0 20.0 2.7 150.0 10.6 2.5 160.0 5.2 1.9 170.0 5.4 1.4