swath: IW1
Bperp (average): -40.8086927264487
Bpar (average): 21.67459924045168
swath: IW2
Bperp (average): -39.09340724736053
Bpar (average): 24.712172306963364
swath: IW3
Bperp (average): -37.66696728726932
Bpar (average): 27.090955361524