swath: IW1
Bperp (average): 172.08150203083414
Bpar (average): -95.3244662970202
swath: IW2
Bperp (average): 163.810915173808
Bpar (average): -108.87772870752488
swath: IW3
Bperp (average): 155.9705261957381
Bpar (average): -119.72813541304073