swath: IW1
Bperp (average): 69.20801989721211
Bpar (average): 5.689572254326954
swath: IW2
Bperp (average): 69.86234230228827
Bpar (average): -0.039631809271774295
swath: IW3
Bperp (average): 70.02669838258272
Bpar (average): -4.803756126850106