swath: IW1
Bperp (average): 144.46113230503676
Bpar (average): -39.14132985477467
swath: IW2
Bperp (average): 140.67847249554092
Bpar (average): -50.59587412471224
swath: IW3
Bperp (average): 136.8663018356846
Bpar (average): -59.998149791014335