swath: IW1
Bperp (average): -166.54192005656256
Bpar (average): 149.77673165904497
swath: IW2
Bperp (average): -155.71870890201964
Bpar (average): 161.99989676252113
swath: IW3
Bperp (average): -146.22668373591773
Bpar (average): 170.86593110374636