swath: IW1
Bperp (average): -42.02601939027237
Bpar (average): 8.658290666985291
swath: IW2
Bperp (average): -41.132530651280625
Bpar (average): 11.93722507775589
swath: IW3
Bperp (average): -40.10992972329641
Bpar (average): 14.547921567856605