swath: IW1
Bperp (average): -19.258553830060464
Bpar (average): 37.82306321709474
swath: IW2
Bperp (average): -18.0512706131496
Bpar (average): 38.63745801181607
swath: IW3
Bperp (average): -17.728709545058276
Bpar (average): 39.220676242403