swath: IW1
Bperp (average): 80.91870852227748
Bpar (average): 6.2726724743236355
swath: IW2
Bperp (average): 81.52321711667729
Bpar (average): -0.4029744266869764
swath: IW3
Bperp (average): 81.57704463523595
Bpar (average): -5.966401549310937