swath: IW1
Bperp (average): -68.50965533072444
Bpar (average): 44.3609320516519
swath: IW2
Bperp (average): -65.1614279778508
Bpar (average): 49.55355577962408
swath: IW3
Bperp (average): -62.25821759599436
Bpar (average): 53.636349570754824