swath: IW1
Bperp (average): -225.53309578421764
Bpar (average): 171.33272781290586
swath: IW2
Bperp (average): -210.7855101272222
Bpar (average): 188.9298761264063
swath: IW3
Bperp (average): -197.30180090511166
Bpar (average): 202.74652039096102