swath: IW1
Bperp (average): -15.663757551921277
Bpar (average): -20.565331938918643
swath: IW2
Bperp (average): -17.30619717152729
Bpar (average): -19.268886067477563
swath: IW3
Bperp (average): -18.61838289667792
Bpar (average): -18.08708880553447