swath: IW1
Bperp (average): -87.42662687743592
Bpar (average): 80.12460770171451
swath: IW2
Bperp (average): -81.4667428267024
Bpar (average): 86.55940182009597
swath: IW3
Bperp (average): -76.37149161921009
Bpar (average): 91.50116798277895