swath: IW1
Bperp (average): 170.8714699752799
Bpar (average): -61.91738604393703
swath: IW2
Bperp (average): 165.28921593915
Bpar (average): -75.49136526315834
swath: IW3
Bperp (average): 159.75955969322143
Bpar (average): -86.56099401839123