swath: IW1
Bperp (average): 129.9791945450409
Bpar (average): -80.70203633229995
swath: IW2
Bperp (average): 122.89208817939091
Bpar (average): -90.89712823638234
swath: IW3
Bperp (average): 116.20743872158737
Bpar (average): -98.94560991584393