swath: IW1
Bperp (average): -43.66730123647059
Bpar (average): 12.23001000123225
swath: IW2
Bperp (average): -42.68472045272571
Bpar (average): 15.539492361744554
swath: IW3
Bperp (average): -41.75193859378186
Bpar (average): 18.20349282048261