swath: IW1
Bperp (average): -133.3079178184523
Bpar (average): 90.05113847261327
swath: IW2
Bperp (average): -125.73978179658086
Bpar (average): 100.58862803411019
swath: IW3
Bperp (average): -118.83578536923835
Bpar (average): 109.00539061531136