swath: IW1
Bperp (average): 132.1584355219636
Bpar (average): -36.544224999756885
swath: IW2
Bperp (average): 128.76290004793094
Bpar (average): -47.12466127186695
swath: IW3
Bperp (average): 125.24349103298806
Bpar (average): -55.804124000233955