swath: IW1
Bperp (average): 89.99477925129158
Bpar (average): -73.5373732686523
swath: IW2
Bperp (average): 83.74652536366997
Bpar (average): -80.61631956248928
swath: IW3
Bperp (average): 78.05415302687415
Bpar (average): -86.1946647214637