swath: IW1
Bperp (average): -79.19909567002294
Bpar (average): 38.88960871760781
swath: IW2
Bperp (average): -75.70226108571637
Bpar (average): 44.928260344242894
swath: IW3
Bperp (average): -72.76177038212988
Bpar (average): 49.82767440190677