swath: IW1
Bperp (average): 144.03302563945695
Bpar (average): -26.091055448454107
swath: IW2
Bperp (average): 141.33730696975442
Bpar (average): -37.56294121388983
swath: IW3
Bperp (average): 138.4169267404887
Bpar (average): -47.04541859585494