swath: IW1
Bperp (average): -124.67664197358584
Bpar (average): 109.46566198089961
swath: IW2
Bperp (average): -115.45102541132083
Bpar (average): 119.10380594448458
swath: IW3
Bperp (average): -107.13136340062775
Bpar (average): 126.60089800338503