swath: IW1
Bperp (average): 17.979158451686292
Bpar (average): -19.43365305935932
swath: IW2
Bperp (average): 18.083990152455307
Bpar (average): -19.91891841983467
swath: IW3
Bperp (average): 18.48132854839211
Bpar (average): -20.345426672821525