swath: IW1
Bperp (average): -14.54915739750925
Bpar (average): 54.88551068691613
swath: IW2
Bperp (average): -11.027127439033675
Bpar (average): 55.56795808420861
swath: IW3
Bperp (average): -8.654889246340025
Bpar (average): 55.86195574474974