swath: IW1
Bperp (average): 56.43378804344824
Bpar (average): -43.110964978602844
swath: IW2
Bperp (average): 52.71000206077849
Bpar (average): -47.50758173880973
swath: IW3
Bperp (average): 49.334083871948295
Bpar (average): -50.95412797849706