swath: IW1
Bperp (average): 156.8208014615305
Bpar (average): -37.94391459202146
swath: IW2
Bperp (average): 153.25028323985035
Bpar (average): -50.48052627498574
swath: IW3
Bperp (average): 149.46897860974812
Bpar (average): -60.77465543689603