swath: IW1
Bperp (average): -48.07409072352418
Bpar (average): 18.62534575911942
swath: IW2
Bperp (average): -46.65702005134125
Bpar (average): 22.533225580516454
swath: IW3
Bperp (average): -45.36216446195461
Bpar (average): 25.80312861125547