swath: IW1
Bperp (average): -8.532729683457683
Bpar (average): -7.978591127817509
swath: IW2
Bperp (average): -9.0914579832492
Bpar (average): -7.293044094517413
swath: IW3
Bperp (average): -9.50283723795664
Bpar (average): -6.628113845265548