swath: IW1
Bperp (average): 166.6513914508959
Bpar (average): -34.81567169773388
swath: IW2
Bperp (average): 163.3637738543076
Bpar (average): -48.18318687312754
swath: IW3
Bperp (average): 159.74745216401683
Bpar (average): -59.18058316981982