swath: IW1
Bperp (average): -186.3230235758972
Bpar (average): 149.66472978605105
swath: IW2
Bperp (average): -174.1532949144301
Bpar (average): 163.61088825634943
swath: IW3
Bperp (average): -163.3703488562447
Bpar (average): 174.40146571606684