swath: IW1
Bperp (average): -77.61059622291963
Bpar (average): 138.35703924613014
swath: IW2
Bperp (average): -66.2648938956117
Bpar (average): 144.10650273488787
swath: IW3
Bperp (average): -56.41022324077558
Bpar (average): 148.214527433086