swath: IW1
Bperp (average): 172.63351981480284
Bpar (average): -84.55988544788862
swath: IW2
Bperp (average): 165.2180000389654
Bpar (average): -98.16589491498542
swath: IW3
Bperp (average): 158.152686165659
Bpar (average): -109.16053882745717