swath: IW1
Bperp (average): -20.63700498961609
Bpar (average): 88.78861835246842
swath: IW2
Bperp (average): -14.275316940147354
Bpar (average): 90.01522092019859
swath: IW3
Bperp (average): -9.933190308567236
Bpar (average): 90.58306635820436