swath: IW1
Bperp (average): -18.218540473405465
Bpar (average): 73.68277705125047
swath: IW2
Bperp (average): -13.078106544218477
Bpar (average): 74.72438705856558
swath: IW3
Bperp (average): -9.523862187151297
Bpar (average): 75.2191681632675