swath: IW1
Bperp (average): -21.429901686928684
Bpar (average): 18.836949098258405
swath: IW2
Bperp (average): -20.205492792410354
Bpar (average): 20.224040124407068
swath: IW3
Bperp (average): -19.189602759078653
Bpar (average): 21.27475085435256