swath: IW1
Bperp (average): 88.07578416228773
Bpar (average): -81.60284650845621
swath: IW2
Bperp (average): 81.2161271816342
Bpar (average): -88.39410859148298
swath: IW3
Bperp (average): 75.05871934726869
Bpar (average): -93.6526880655997