swath: IW1
Bperp (average): -49.51308039686716
Bpar (average): 29.69469222466092
swath: IW2
Bperp (average): -47.1345908249043
Bpar (average): 33.57822697464526
swath: IW3
Bperp (average): -44.94654289979426
Bpar (average): 36.707165944318376