swath: IW1
Bperp (average): -130.56098111968154
Bpar (average): 125.03098765003675
swath: IW2
Bperp (average): -120.37414179983007
Bpar (average): 134.93215670947268
swath: IW3
Bperp (average): -111.34314913468536
Bpar (average): 142.55713997666928