swath: IW1
Bperp (average): 290.3428642695046
Bpar (average): -178.7460384046552
swath: IW2
Bperp (average): 275.1506011998385
Bpar (average): -201.67861571156632
swath: IW3
Bperp (average): 260.9914633499807
Bpar (average): -220.0094000452404