swath: IW1
Bperp (average): -152.62034991825803
Bpar (average): 100.74221802435885
swath: IW2
Bperp (average): -143.84125783609477
Bpar (average): 112.42825962814968
swath: IW3
Bperp (average): -136.08146354815335
Bpar (average): 121.77311617503011