swath: IW1
Bperp (average): 149.6834314819721
Bpar (average): -62.1883057492183
swath: IW2
Bperp (average): 143.97001131584113
Bpar (average): -74.21918548120578
swath: IW3
Bperp (average): 138.38004396966159
Bpar (average): -83.96972739817488