swath: IW1
Bperp (average): -137.86558620805332
Bpar (average): 47.26434563547558
swath: IW2
Bperp (average): -133.97034862075213
Bpar (average): 58.483588881961246
swath: IW3
Bperp (average): -130.16986828502613
Bpar (average): 67.85879499736828