swath: IW1
Bperp (average): -105.46540814335776
Bpar (average): 112.86115715251579
swath: IW2
Bperp (average): -96.31666736497762
Bpar (average): 120.8020147161554
swath: IW3
Bperp (average): -88.26212411373416
Bpar (average): 126.85513881746945