swath: IW1
Bperp (average): 145.7393442922271
Bpar (average): -23.384922688515488
swath: IW2
Bperp (average): 143.42245487233885
Bpar (average): -34.99759016279788
swath: IW3
Bperp (average): 140.73364932165555
Bpar (average): -44.63017655193238