swath: IW1
Bperp (average): -54.209725076209665
Bpar (average): 49.031218900544914
swath: IW2
Bperp (average): -50.03594083086673
Bpar (average): 53.190085092578094
swath: IW3
Bperp (average): -46.29637991425245
Bpar (average): 56.3979425328016