swath: IW1
Bperp (average): 82.41406833186919
Bpar (average): 4.645742613678017
swath: IW2
Bperp (average): 82.64390839451303
Bpar (average): -2.1586855825375206
swath: IW3
Bperp (average): 82.42611125639831
Bpar (average): -7.907279927844484