swath: IW1
Bperp (average): -370.4928470371199
Bpar (average): 291.2741687561788
swath: IW2
Bperp (average): -346.4952973533532
Bpar (average): 319.695217859328
swath: IW3
Bperp (average): -324.96558154512036
Bpar (average): 341.90663773408863