angle = [0.0 10.0 20.0 30.0 40.0 50.0 60.0 70.0 80.0 90.0 ...
         100.0 110.0 120.0 130.0 140.0 150.0 160.0 170.0 180.0];
mag_8 = [0.0 -0.5 -1.2 -2.7 -4.7 -7.0 -9.3 -11.2 -12.6 -13.0 ...
         -12.6 -11.2 -9.3 -7.0 -4.7 -2.7 -1.2 -0.5 0.0]; 
mag_12 = [0.0 -0.8 -3.4 -7.9 -12.8 -19.1 -23.0 -22.5 -21.5 -21.2 ...
          -21.5 -22.5 -23.0 -19.1 -12.8 -7.9 -3.4 -0.8 0.0];
mag_17 = [0.0 -1.5 -6.4 -15.8 -23.0 -22.0 -23.0 -22.5 -21.5 -21.2 ...
          -21.5 -22.5 -23.0 -22.0 -23.0 -15.8 -6.4 -1.5 0.0];
mag_30 = [0.0 -4.8 -21.0 -21.5 -22.5 -9.7 -2.8 -0.6 -0.1 0.0 ...
          -0.1 -0.6 -2.8 -9.7 -22.5 -21.5 -21.0 -4.8 0.0];
