swath: IW1
Bperp (average): -184.06374596954524
Bpar (average): 59.77243478327213
swath: IW2
Bperp (average): -178.19153161100513
Bpar (average): 74.31457677671182
swath: IW3
Bperp (average): -172.645397099778
Bpar (average): 86.18920522066634