swath: IW1
Bperp (average): 162.89588087402925
Bpar (average): -83.77839492350103
swath: IW2
Bperp (average): 155.91887790450028
Bpar (average): -96.85524359409568
swath: IW3
Bperp (average): 149.16366731044954
Bpar (average): -107.32735841750369