swath: IW1
Bperp (average): -17.750902586317018
Bpar (average): -19.90738679824225
swath: IW2
Bperp (average): -19.879257826807866
Bpar (average): -19.559126482089525
swath: IW3
Bperp (average): -21.829322307418966
Bpar (average): -19.431859851930444