swath: IW1
Bperp (average): -111.35024377659103
Bpar (average): 138.1656538834337
swath: IW2
Bperp (average): -100.15067995756426
Bpar (average): 146.50926176794118
swath: IW3
Bperp (average): -90.37949521440791
Bpar (average): 152.76669890908616