swath: IW1
Bperp (average): 74.87026355985297
Bpar (average): -5.386846458833278
swath: IW2
Bperp (average): 75.01358002762152
Bpar (average): -11.614403970644874
swath: IW3
Bperp (average): 74.77261055144953
Bpar (average): -16.681924522387135