swath: IW1
Bperp (average): -51.05614286788657
Bpar (average): 48.77069819130741
swath: IW2
Bperp (average): -46.978557941193706
Bpar (average): 52.70658984571469
swath: IW3
Bperp (average): -43.312778170374614
Bpar (average): 55.755716189073304