swath: IW1
Bperp (average): 169.35940075194029
Bpar (average): -90.9227995696502
swath: IW2
Bperp (average): 161.62747496627622
Bpar (average): -104.44820037103857
swath: IW3
Bperp (average): 154.2295900011054
Bpar (average): -115.27611660583901