swath: IW1
Bperp (average): -65.8176871280731
Bpar (average): 97.00807592996993
swath: IW2
Bperp (average): -57.94967626761988
Bpar (average): 101.87956345204147
swath: IW3
Bperp (average): -51.10120871961702
Bpar (average): 105.45962194078675