swath: IW1
Bperp (average): -22.11401746030763
Bpar (average): 49.891666018573176
swath: IW2
Bperp (average): -21.82447047667867
Bpar (average): 50.505393818175385
swath: IW3
Bperp (average): -22.78481761512043
Bpar (average): 50.8898039072266