swath: IW1
Bperp (average): -71.36885749029815
Bpar (average): 49.528946542430305
swath: IW2
Bperp (average): -67.43661890914129
Bpar (average): 55.112185182552516
swath: IW3
Bperp (average): -63.65361650437205
Bpar (average): 59.580107436170636