swath: IW1
Bperp (average): -68.09262395396122
Bpar (average): 53.8517535300465
swath: IW2
Bperp (average): -63.71055859582922
Bpar (average): 58.953059687777696
swath: IW3
Bperp (average): -59.76294290309894
Bpar (average): 62.938418447343736