swath: IW1
Bperp (average): 81.85295718161932
Bpar (average): -83.72648431876586
swath: IW2
Bperp (average): 74.8925345229372
Bpar (average): -89.98770318430725
swath: IW3
Bperp (average): 68.69564943192637
Bpar (average): -94.79277759431099