swath: IW1
Bperp (average): -20.88367558305847
Bpar (average): 4.538210718963962
swath: IW2
Bperp (average): -20.5165077417991
Bpar (average): 5.941392164203662
swath: IW3
Bperp (average): -20.28898563820103
Bpar (average): 7.028073569509885