swath: IW1
Bperp (average): -105.38164411684463
Bpar (average): 44.20915770538738
swath: IW2
Bperp (average): -101.5418946002716
Bpar (average): 52.42437722988943
swath: IW3
Bperp (average): -97.8299097435832
Bpar (average): 59.061475703448124