swath: IW1
Bperp (average): 74.0322602117296
Bpar (average): -58.3092528723272
swath: IW2
Bperp (average): 69.08692444769176
Bpar (average): -64.11741712981473
swath: IW3
Bperp (average): 64.55928439649692
Bpar (average): -68.68392602044514