swath: IW1
Bperp (average): 348.87853518539373
Bpar (average): -141.9049265830242
swath: IW2
Bperp (average): 337.0298447959131
Bpar (average): -169.77496870530558
swath: IW3
Bperp (average): 325.5136424869485
Bpar (average): -192.4759483398615