swath: IW1
Bperp (average): 72.24220176120936
Bpar (average): 2.4613188916427577
swath: IW2
Bperp (average): 72.2116716504337
Bpar (average): -3.32274401659733
swath: IW3
Bperp (average): 71.85832156612129
Bpar (average): -8.157435987642288