swath: IW1
Bperp (average): -218.0047649782073
Bpar (average): 139.65868967201706
swath: IW2
Bperp (average): -206.50796590269135
Bpar (average): 156.43950026858747
swath: IW3
Bperp (average): -196.03382870117463
Bpar (average): 169.72082760578485