swath: IW1
Bperp (average): 169.82270813665934
Bpar (average): -121.20007403696579
swath: IW2
Bperp (average): 159.10830389304616
Bpar (average): -134.38488129549933
swath: IW3
Bperp (average): 149.02371041897962
Bpar (average): -144.59902517489627